CN113668278B

CN113668278B - Drying device for manufacturing anti-damage recycled paper

Info

Publication number: CN113668278B
Application number: CN202110995042.3A
Authority: CN
Inventors: 乔明辉; 周皓宸; 顾亚明
Original assignee: Jiangsu Jinghuan Longheng Paper Co ltd
Current assignee: Jiangsu Jinghuan Longheng Paper Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-07-08
Anticipated expiration: 2041-08-27
Also published as: CN113668278A

Abstract

The utility model provides a drying device is used in recycled paper of damage prevention manufacturing, including the roller shell, steam joint, the vortex stick, the siphon, be equipped with the several recess on the curved surface of roller shell, the interior terminal surface of recess all set up with the inside communicating trough of roller shell, all be equipped with hollow block in the recess, hollow block is used for drying to the paper, steam hole and condensation water hole are all seted up to the both sides of hollow block and recess, the inside both sides of roller shell all set up the baffle, the recess all is located between two baffles, the vortex stick all locates the baffle outside, hollow block passes through the motion with the recess and is connected, the motion can make hollow block for the groove motion. The steam heating roller can overcome the defects of the existing steam heating roller, the use amount of steam is greatly reduced and the energy consumption is reduced by changing the appearance of the roller shell and arranging the partition plate, and after the steam enters the roller shell through the steam joint, the use amount of the steam can be reduced, the influence of high temperature of the steam on the shaft head can be reduced, and therefore the abrasion of the shaft head can be reduced.

Description

Drying device for manufacturing damage-proof recycled paper

Technical Field

The invention belongs to the field of recycled paper drying, and particularly relates to a drying device for manufacturing recycled paper capable of preventing damage.

Background

The regenerated paper is paper which is used for the second time after being reprocessed, and the regenerated paper needs to be subjected to the steps of raw material pulping screening, deinking bleaching, pulp preparation and wet part, pulp conversion, drying and the like, in the drying procedure, a drying cylinder is a key part and is also called a heating roller, the number of cast iron drying cylinders is about 2/3 of the total number of pressure containers in the paper making industry, the temperature of the drying cylinder is increased by heat released by condensation after steam enters the drying cylinder, so that paper sheets coated on the surface of a roller shell to run are heated, but the utilization rate of energy is low, and the electromagnetic heating roller is high in manufacturing cost, is only applied to drying and stretching and shaping of special paper at present, is relatively high in product positioning and is not suitable for being used for drying the regenerated paper.

Disclosure of Invention

The invention provides a drying device for manufacturing anti-damage recycled paper, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a drying device is used in recycled paper of damage prevention manufacturing, including the roller shell, steam joint, the vortex stick, the siphon, be equipped with the several recess on the curved surface of roller shell, the interior terminal surface of recess all set up with the inside communicating trough of roller shell, all be equipped with hollow block in the recess, hollow block is used for drying to the paper, steam hole and condensation water hole are all seted up to the both sides of hollow block and recess, the inside both sides of roller shell all set up the baffle, the recess all is located between two baffles, the vortex stick all locates the baffle outside, hollow block passes through the motion with the recess and is connected, the motion can make hollow block for the groove motion.

According to the drying device for manufacturing the damage-proof recycled paper, the middle of one surface, close to the axis of the roller shell, of the inner wall of the hollow block is thick, the two sides of the inner wall of the hollow block are thin, and the hollow block is provided with the condensation water holes at the position close to the axis of the roller shell.

As above-mentioned drying device is used in recycled paper manufacturing of damage prevention, the motion piece be the electric push rod, the equal fixed mounting several layer board of the opposite face of two baffles, the equal fixed mounting of electric push rod is on the layer board, the expansion end of electric push rod all with corresponding hollow block fixed connection.

According to the drying device for manufacturing the damage-preventing recycled paper, the diameters of the steam holes and the diameters of the condensation water holes are the same, and the distance between the steam holes and the condensation water holes on the same side is larger than the diameter of the steam holes.

According to the drying device for manufacturing the damage-proof recycled paper, the sealing rings are fixedly arranged on the outer sides of the steam holes and the outer sides of the condensation water holes corresponding to the hollow blocks.

According to the drying device for manufacturing the anti-damage recycled paper, the annular grooves are formed in the outer end faces of the hollow blocks, the annular sealing frames are fixedly installed at the outer ends of the grooves, and the annular sealing frames can be located in the corresponding annular grooves and attached to the corresponding annular grooves.

According to the drying device for manufacturing the anti-damage recycled paper, the annular sealing frames are provided with the circle of sealing gasket.

The invention has the advantages that: the invention can improve the defects of the existing steam heating roller, greatly reduces the using amount of steam and reduces the energy consumption by changing the shape of the roller shell and arranging the partition plate, after the steam enters the roller shell through the steam joint, if the steam holes and the condensed water holes on the hollow block and the groove are aligned, the steam entering the roller shell enters the hollow block through the steam holes, the hollow block and the curved surface of the roller shell jointly form a complete cylindrical curved surface, thereby drying paper, the steam in the hollow block can be discharged to the roller shell through the condensed water holes after being condensed, and then the steam is discharged out of the device through the siphon tube, in addition, a user can adjust the drying surface of the roller shell according to the different paper drying requirements, namely the hollow block moves through the moving piece, when the hollow block is retracted into the groove, the steam holes and the condensed water holes on the hollow block and the groove are staggered, the steam can not enter the unused hollow block, the waste of energy can not be caused, and for controlling the steam quantity feeding or the temperature, the steam consumption can be reduced, and the influence of the high temperature of the steam on the shaft head can be reduced, so that the abrasion of the shaft head can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic cross-sectional view of the roll shell; FIG. 3 is a view in the direction A of FIG. 1; fig. 4 is an enlarged view of part i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A drying device for manufacturing damage-proof recycled paper comprises a roller shell 1, a steam joint 2, a turbulence bar 3 and a siphon 4, wherein the steam joint 2 comprises a shaft head, a heat-insulating sleeve, a carbon ring and the like, the existing structure is adopted, and the description is omitted, a plurality of grooves 5 are formed in the curved surface of the roller shell 1, the grooves 5 are uniformly distributed on the curved surface of the roller shell 1, the grooves 5 are formed by inwards sinking the curved surface of the roller shell 1 and can be formed through a stamping process, the inner end surfaces of the grooves 5 are provided with through grooves 6 communicated with the inside of the roller shell 1, the width of the through grooves 6 is the same as that of the grooves 5, hollow blocks 7 are arranged in the grooves 5, the hollow blocks 7 are used for drying paper, the periphery of the hollow blocks 7 are in contact with the grooves 5, steam holes 8 and condensed water holes 9 are formed in the two sides of the hollow blocks 7 and the grooves 5, steam can pass through the two steam inlets and outlets 8 from the two sides of the roller shell 1 to enter and exit the hollow blocks 7, the comdenstion water can loop through two comdenstion water from the both sides of roller shell 1 and import and export 9 and discharge into roller shell 1 from

hollow block

7, and 1 inside both sides of roller shell all set up baffle 10, and the periphery of baffle 10 and the inner wall fixed connection of roller shell 1 select for use thermal-insulated material, and recess 5 all is located between two baffles 10, and baffle 10 outside is all located to vortex stick 3, and hollow block 7 is connected through the motion with recess 5, and the motion can make hollow block 7 for the motion of recess 5. The invention can improve the defects of the existing steam heating roller, greatly reduces the using amount of steam and energy consumption by changing the appearance of the roller shell 1 and arranging the partition plate 10, after the steam enters the roller shell 1 through the steam joint 2, if the steam holes 8 and the condensed water holes 9 on the hollow block 7 and the groove 5 are aligned, the steam entering the roller shell 1 enters the hollow block 7 through the steam holes 8, the hollow block 7 and the curved surface of the roller shell 1 jointly form a complete cylindrical curved surface, thereby drying paper, after the steam in the hollow block 7 is condensed, the steam can be discharged to the roller shell 1 through the condensed water holes 9, and then the steam is discharged out of the device through the siphon 4, in addition, a user can adjust the drying surface of the roller shell 1 according to different paper drying requirements, namely the hollow block 7 moves through a moving part, when the hollow block 7 is contracted into the groove 5, the steam holes 8 and the condensed water holes 9 on the hollow block 7 and the groove 5 are staggered, steam can not get into hollow block 7 not used, can not cause the waste of the energy, for control steam volume feeds or the temperature, can enough reduce the steam quantity, can alleviate the influence of steam high temperature to the spindle nose again to can alleviate the wearing and tearing of spindle nose.

Specifically, as shown in fig. 4, the inner wall of the hollow block 7 of the present embodiment has a thick middle part and thin two sides near the axis of the roller shell 1, and the hollow block 7 is provided with water condensation holes 9 near the axis of the roller shell 1. When the rotational speed of the roller shell 1 is lower, the condensed water moving to the upper part in the hollow block 7 is under the action of gravity, and the structure is favorable for the condensed water in the hollow block 7 to be discharged into the roller shell 1 through the condensed water holes 9.

Specifically, as shown in fig. 1, the moving member described in this embodiment is an electric push rod 11, a plurality of supporting plates 12 are fixedly mounted on opposite surfaces of the two partition plates 10, the electric push rods 11 are fixedly mounted on the supporting plates 12, and the movable ends of the electric push rods 11 are fixedly connected to the corresponding hollow blocks 7. Every hollow block 7 corresponds two electric push rods 11, and these two electric push rods 11 distribute with the central symmetry of hollow block 7, electric push rod 11 and external power supply circuit are connected, the circuit periphery is wrapped up in and is covered thermal-insulated waterproof insulating skin, accessible siphon 4 advances, can alleviate the influence of high temperature steam to the circuit, make hollow block 7 for recess 5 motion through electric push rod 11, can save the relevant structure of direction, hollow block 7's motion stability is high, the probability of emergence seepage is low.

Further, the diameter of the steam holes 8 and the diameter of the condensed water holes 9 are the same, and the distance between the steam holes 8 and the condensed water holes 9 on the same side is larger than the diameter of the steam holes 8. When the hollow block 7 moves into the groove 5, the steam holes 8 and the condensed water holes 9 on the groove 5 and the hollow block 7 can be completely staggered so as to avoid leakage.

Furthermore, as shown in fig. 4, a sealing ring 13 is fixedly installed on the outer side of the steam hole 8 and the outer side of the condensation water hole 9 corresponding to the hollow block 7. This structure can further reduce the chance of leakage between the recess 5 and the hollow block 7.

Furthermore, as shown in fig. 4, the outer end surfaces of the hollow blocks 7 according to the present embodiment are respectively provided with an annular groove 14, the outer ends of the grooves 5 are respectively fixedly provided with an annular sealing frame 15, and the annular sealing frames 15 can be located in the corresponding annular grooves 14 and attached thereto. If steam or comdenstion water seepage get into in the recess 5, this structure can prevent the steam or the comdenstion water contact of seepage and paper, in order to deal with the jar ponding problem that probably takes place, can select the great electric putter 11 of stroke, can make hollow block 7 outwards shift out recess 5 or inwards retract into roller shell 1 completely, then probe into the suction pipe and connect the negative pressure, with jar ponding draw out can, can not consume too much energy, it is also very convenient to maintain.

Furthermore, as shown in fig. 4, a ring of sealing gaskets 16 is disposed on each annular sealing frame 15. The probability of contact between the leakage and the paper in the drying process can be further reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a drying device is used in recycled paper of damage prevention manufacturing, includes roller shell (1), steam joint (2), vortex stick (3), siphon (4), its characterized in that: be equipped with several recess (5) on the curved surface of roller shell (1), the interior terminal surface of recess (5) all sets up with roller shell (1) inside communicating trough (6), all be equipped with hollow block (7) in recess (5), hollow block (7) are used for drying to the paper, steam hole (8) and condensation water hole (9) are all seted up to the both sides of hollow block (7) and recess (5), roller shell (1) inside both sides all set up baffle (10), recess (5) all are located between two baffle (10), baffle (10) outside are all located in vortex stick (3), hollow block (7) are connected through the motion piece with recess (5), the motion piece can make hollow block (7) for recess (5) motion.

2. The drying device for manufacturing recycled paper with damage prevention according to claim 1, characterized in that: hollow block (7) inner wall thick, both sides are thin near the middle of the one side of roller shell (1) axis, hollow block (7) set up condensation water hole (9) in the position that is close to roller shell (1) axis.

3. The drying device for manufacturing recycled paper with damage prevention according to claim 1, characterized in that: the moving piece be electric push rod (11), the equal fixed mounting several layer board (12) of opposite face of two baffle (10), electric push rod (11) all fixed mounting is on layer board (12), the expansion end of electric push rod (11) all with corresponding hollow block (7) fixed connection.

4. The drying device for manufacturing recycled paper with damage prevention according to claim 1, characterized in that: the diameters of the steam holes (8) and the diameters of the condensation water holes (9) are the same, and the distance between the steam holes (8) and the condensation water holes (9) on the same side is larger than the diameter of the steam holes (8).

5. The drying device for manufacturing recycled paper with damage prevention according to claim 1, characterized in that: and sealing rings (13) are fixedly arranged on the outer sides of the steam holes (8) and the condensed water holes (9) corresponding to the hollow blocks (7).

6. The drying device for manufacturing recycled paper with damage prevention according to claim 1 or 5, wherein: the outer end face of hollow block (7) all set up ring channel (14), the outer end of recess (5) all fixed mounting ring seal frame (15), ring seal frame (15) can be located corresponding ring channel (14) and laminate with it.

7. The drying device for manufacturing recycled paper with damage prevention according to claim 6, wherein: the annular sealing frames (15) are all provided with a circle of sealing gaskets (16).