CN218478968U - Vacuum dewatering device of paper machine - Google Patents
Vacuum dewatering device of paper machine Download PDFInfo
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- CN218478968U CN218478968U CN202221720067.9U CN202221720067U CN218478968U CN 218478968 U CN218478968 U CN 218478968U CN 202221720067 U CN202221720067 U CN 202221720067U CN 218478968 U CN218478968 U CN 218478968U
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- dewatering
- dehydration
- cotton cloth
- coarse cotton
- vacuum
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Abstract
The utility model is suitable for a dewatering device technical field provides a vacuum dewatering device of paper machine, including the dewatering box, install a plurality of transfer rollers in the dewatering box, a plurality of the transmission is connected with the dewatering coarse cotton cloth on the transfer roller, and upper and lower position punishment of the dewatering coarse cotton cloth of upper strata do not install compression roller and vacuum roll, the transmission is connected with the paper between compression roller and the dewatering coarse cotton cloth, installs the dewatering mechanism that can carry out extrusion dehydration to the dewatering coarse cotton cloth on the dewatering coarse cotton cloth of lower floor; the paper dewaters under the extrusion of compression roller and vacuum roll, and the water portion that extrudes discharges through the vacuum roll, and some is absorbed by the coarse cotton cloth that dewaters, erodes the coarse cotton cloth through water spray plate and clean brush, guarantees the next dehydration of dehydration coarse cotton cloth, and the dehydration coarse cotton cloth after erodeing carries out the extrusion dehydration under the effect of dehydration mechanism to carry out quick air-dry to the coarse cotton cloth that dewaters through hot-blast board and cold air plate fast, guarantee the dehydration efficiency of dehydration coarse cotton cloth.
Description
Technical Field
The utility model belongs to the technical field of dewatering device, especially, relate to a vacuum dewatering device of paper machine.
Background
The paper dewatering mode of the existing paper machine mostly adopts felt for dewatering, paper is pressed and dewatered successively through two carrier rollers, but the two carrier rollers share one felt, the technology has the defect of poor dewatering capacity of the felt, and the problem that the felt rewetting wet paper is caused in the pressing and dewatering process of the second carrier roller due to the fact that only one felt is adopted, so that the secondary dewatering efficiency of the felt is greatly restricted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vacuum dehydration device of paper machine aims at dehydrating the back through the dewatering coarse cotton cloth to the paper, dewaters wetted dewatering coarse cotton cloth through dehydration mechanism to air-dry the dewatering coarse cotton cloth, ensure the dehydration efficiency to the paper next time.
The utility model discloses a realize like this, a vacuum dehydration device of paper machine, including the dewatering box, install a plurality of transfer roller, a plurality of in the dewatering box the transmission is connected with the dewatering felt on the transfer roller, the upper strata the punishment of the upper and lower position of dewatering felt do not installs compression roller and vacuum roll, the compression roller with the transmission is connected with paper, lower floor between the dewatering felt install on the dewatering felt can be right the dewatering felt carries out the dehydration mechanism of extrusion dehydration.
Preferably, a fixing plate is fixedly connected between the front wall and the rear wall of the dewatering box, and a water collecting tank is arranged below the vacuum roll on the upper surface of the fixing plate.
Preferably, a water spraying plate is fixedly installed on the right wall of the dewatering box on the right side of the dewatering felt on the right side, a connecting water pipe is connected to the water spraying plate, and a cleaning brush is fixedly connected to the right wall of the dewatering box below the water spraying plate.
Preferably, the dehydration mechanism comprises a forward and reverse rotation motor, the forward and reverse rotation motor is installed at the bottom of the dehydration box, the output shaft end of the forward and reverse rotation motor is connected with a threaded rod, the threaded rod is in threaded connection with two threaded blocks, and the right sides of the two threaded blocks are fixedly connected with connecting rods.
Preferably, the upper portion of the connecting rod is fixedly connected with an upper pressing plate, the lower portion of the connecting rod is fixedly connected with a lower pressing plate, a plurality of balls are mounted on the inner side surfaces of the upper pressing plate and the lower pressing plate, and the dewatering felt is in transmission connection between the two layers of balls.
Preferably, a plurality of hydrophobic holes are formed in the upper surface of the lower pressing plate, hydrophobic cavities are formed in the lower pressing plate below the hydrophobic holes, and the plurality of hydrophobic holes are communicated with the hydrophobic cavities.
Preferably, the lower side of the drainage cavity is connected with a telescopic water pipe, the other end of the telescopic water pipe is connected to the vacuum dehydrator, and the right side of the vacuum dehydrator is connected with a water outlet pipe.
Preferably, a hot blast plate is arranged below the dewatering felt at the lower layer, and a hot blast pipe is connected to the hot blast plate.
Preferably, a cold air plate is fixedly mounted on the left wall of the dewatering box on the left side of the dewatering felt on the left side, and a cold air pipe is connected to the cold air plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a vacuum dehydration device of paper machine, the paper is dehydrated under the extrusion of compression roller and vacuum roll, the water portion that extrudes is discharged through the vacuum roll, some is absorbed by the coarse cotton cloth that dewaters, erode the coarse cotton cloth that dewaters through water spray plate and clean brush, guarantee the next dehydration of coarse cotton cloth that dewaters, the coarse cotton cloth that dewaters after scouring extrudes the dehydration under dewatering mechanism's effect, and carry out quick air-dry to the coarse cotton cloth that dewaters through hot-blast board and cold wind board, guarantee the dehydration efficiency of coarse cotton cloth that dewaters.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic side view of the dewatering mechanism of the present invention;
fig. 3 is a schematic front sectional view of the middle and lower press plates of the present invention;
in the figure: 1. a dewatering box; 2. a conveying roller; 3. dewatering the coarse cotton cloth; 4. paper; 5. a compression roller; 6. a vacuum roll; 7. a fixing plate; 8. a water collecting tank; 9. a water spray plate; 10. connecting a water pipe; 11. cleaning the brush; 12. a vacuum dehydrator; 13. a telescopic water pipe; 14. a dewatering mechanism; 141. a positive and negative rotation motor; 142. a threaded rod; 143. a thread block; 144. a connecting rod; 145. an upper pressure plate; 146. a lower pressing plate; 1461. a hydrophobic pore; 1462. a drainage cavity; 147. a ball bearing; 15. a water outlet pipe; 16. a hot blast plate; 17. a hot air pipe; 18. a cold air plate; 19. a cold air pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail 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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a vacuum dehydration device of paper machine, includes dewatering box 1, installs a plurality of transfer roller 2 in the dewatering box 1, and the transmission is connected with dewatering coarse cotton cloth 3 on a plurality of transfer roller 2, and compression roller 5 and vacuum roll 6 are do not installed to the upper and lower position punishment of the dewatering coarse cotton cloth 3 on upper strata, and the transmission is connected with paper 4 between compression roller 5 and the dewatering coarse cotton cloth 3, installs on the dewatering coarse cotton cloth 3 of lower floor and can carry out the dehydration mechanism 14 that extrudes dewatering to dewatering coarse cotton cloth 3.
As shown in fig. 1, four transfer rollers 2 are installed in the dewatering box 1, and the four transfer rollers 2 support the dewatering felt 3 and transfer the dewatering felt 3; all the cover is equipped with the rotary rod on four transfer rollers 2, and the cover is equipped with the sprocket on four rotary rods, and four sprockets are driven by the chain, and one of them rotary rod is connected in the output axle head of rotating electrical machines, is rotated by rotating electrical machines control rotary rod to through the transmission of sprocket and chain, rotate the drive simultaneously to four transfer rollers 2.
The press roller 5 is matched with the vacuum roller 6 to extrude the paper 4 and the dewatering felt 3, and water in the paper 4 is pressed out; the dewatered paper 4 is conveyed to the next link by a driving roller; the vacuum roll 6 is internally provided with a vacuum pump, the roll surface is provided with a suction hole for sucking most of the water pressed out of the paper 4, the vacuum roll 6 is connected with a water pipe, and the sucked water is poured into a water tank by the water pipe.
The dewatering mechanism 14 dewaters the dewatering felt 3 adsorbed with water, ensuring the dewatering efficiency of the dewatering felt 3 next time.
Further, a fixing plate 7 is fixedly connected between the front wall and the rear wall of the dewatering box 1, and a water collecting tank 8 is installed below the vacuum roll 6 on the upper surface of the fixing plate 7.
The water collecting tank 8 is externally connected with a pipeline to the water tank; a small part of water which is not sucked away by the vacuum roller 6 enters the water collecting tank 8 and is sent into the water tank by the external water pipe.
Specifically, a water spraying plate 9 is fixedly installed on the right wall of the dewatering box 1 on the right side of the dewatering felt 3 on the right side, a connecting water pipe 10 is connected to the water spraying plate 9, and a cleaning brush 11 is fixedly connected to the right wall of the dewatering box 1 below the water spraying plate 9.
The connecting water pipe 10 penetrates through the right wall of the dewatering box 1 and is externally connected with a water source through a water pump; the water spraying plate 9 is internally provided with water spraying holes, cleaning water is pumped into the water spraying plate 9 through a water pump to wash the dewatering felt 3, the dewatering felt 3 is washed by matching with the cleaning brush 11, stains adsorbed on the dewatering felt 3 are removed, and the dewatering of the dewatering felt 3 on the paper 4 next time is ensured.
Generally, the dewatering mechanism 14 includes a forward and reverse rotation motor 141, the forward and reverse rotation motor 141 is installed at the bottom of the dewatering box 1, and the output shaft end of the forward and reverse rotation motor 141 is connected with a threaded rod 142, two threaded blocks 143 are screwed on the threaded rod 142, and a connecting rod 144 is fixedly connected to the right sides of the two threaded blocks 143.
The internal threads of the two screw blocks 143 are opposite, and when the threaded rod 142 rotates, the two screw blocks 143 move inwards or outwards simultaneously; the two connecting rods 144 are penetrated with limiting rods to ensure that the connecting rods 144 move along the vertical direction.
The positive and negative rotation motor 141 drives the threaded rod 142 to rotate, so that the two threaded blocks 143 respectively drive the upper pressing plate 145 and the lower pressing plate 146 to move inwards or outwards simultaneously through the corresponding connecting rods 144, so as to control the degree of compression of the dewatering felt 3.
In addition, the right side of the upper connecting rod 144 is fixedly connected with an upper pressing plate 145, the right side of the lower connecting rod 144 is fixedly connected with a lower pressing plate 146, a plurality of balls 147 are respectively installed on the inner side surfaces of the upper pressing plate 145 and the lower pressing plate 146, and the dewatering felt 3 is in transmission connection between the two layers of balls 147.
The side close to the dewatering felt 3 is the inner side, and the side far from the dewatering felt 3 is the outer side.
The balls 147 are provided to facilitate the movement of the dewatering felt 3 between the upper press plate 145 and the lower press plate 146.
In addition, a plurality of hydrophobic holes 1461 are formed in the upper surface of the lower pressing plate 146, a hydrophobic cavity 1462 is formed in the lower pressing plate 146 below the hydrophobic holes 1461, and the hydrophobic holes 1461 are communicated with the hydrophobic cavity 1462.
The dewatering felt 3 discharges the excessive water under the extrusion of the upper pressing plate 145 and the lower pressing plate 146, the discharged water enters the vacuum dewatering machine 12 through the telescopic water pipe 13 along the drainage hole 1461 and the drainage cavity 1462 under the action of the vacuum dewatering machine 12, and finally is discharged into the water tank through the water outlet pipe 15.
Further, a telescopic water pipe 13 is connected to the lower side of the drain chamber 1462, the other end of the telescopic water pipe 13 is connected to the vacuum dehydrator 12, and a water outlet pipe 15 is connected to the right side of the vacuum dehydrator 12.
The outlet pipe 15 runs through the right wall of the dewatering box 1 and is connected to the water tank, a filtering and purifying device can be installed in the water tank, and collected water is treated and then continuously used, such as washing the dewatering felt 3.
Specifically, a hot air plate 16 is attached to the lower part of the lower dewatering felt 3, and a hot air pipe 17 is connected to the hot air plate 16.
The hot air pipe 17 penetrates through the left wall of the dewatering box 1, is externally connected with a hot air blower, and draws out hot air to quickly air-dry the dewatered coarse cotton cloth 3.
Usually, a cold air plate 18 is fixedly attached to the left wall of the dewatering box 1 on the left side of the dewatering felt 3 on the left side, and a cold air pipe 19 is connected to the cold air plate 18.
The cold air pipe 19 runs through the left wall of the dewatering box 1, is externally connected with a fan, and draws out cold air to air-dry the dewatering coarse cotton cloth 3 with heat after air-drying, so as to ensure that the dewatering coarse cotton cloth 3 can be rapidly cooled to room temperature, and the next dewatering of the paper 4 is facilitated.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A vacuum dewatering device of a paper machine, characterized in that: including dewatering box (1), install a plurality of transfer roller (2), a plurality of in dewatering box (1) the transmission is connected with dehydration coarse cotton cloth (3) on transfer roller (2), the upper strata the upper and lower position department of dehydration coarse cotton cloth (3) installs compression roller (5) and vacuum roll (6) respectively, compression roller (5) with the transmission is connected with paper (4), lower floor between dehydration coarse cotton cloth (3) install on dehydration coarse cotton cloth (3) can be right dehydration coarse cotton cloth (3) carry out extrusion dehydration's dehydration mechanism (14).
2. A vacuum dewatering apparatus for a papermaking machine as claimed in claim 1, wherein: a fixing plate (7) is fixedly connected between the front wall and the rear wall of the dewatering box (1), and a water collecting tank (8) is arranged below the vacuum roll (6) on the upper surface of the fixing plate (7).
3. A vacuum dewatering apparatus for a paper machine as claimed in claim 1, characterized by: the right side of dehydration coarse cotton cloth (3), in fixed mounting has water spray plate (9) on the right wall of dehydration case (1), be connected with on water spray plate (9) and connect water pipe (10), just the below of water spray plate (9), in fixedly connected with cleaning brush (11) on the right wall of dehydration case (1).
4. A vacuum dewatering apparatus for a papermaking machine as claimed in claim 1, wherein: the dehydration mechanism (14) comprises a positive and negative rotation motor (141), the positive and negative rotation motor (141) is installed at the bottom of the dehydration box (1), a threaded rod (142) is connected to the output shaft end of the positive and negative rotation motor (141), two thread blocks (143) are in threaded connection on the threaded rod (142), and a connecting rod (144) is fixedly connected to the right side of each thread block (143).
5. A vacuum dewatering apparatus for a paper machine as claimed in claim 4, characterized by: the right side of the upper connecting rod (144) is fixedly connected with an upper pressing plate (145), the right side of the lower connecting rod (144) is fixedly connected with a lower pressing plate (146), a plurality of balls (147) are mounted on the inner side surfaces of the upper pressing plate (145) and the lower pressing plate (146), and the dewatering felt (3) is in transmission connection between the two layers of balls (147).
6. A vacuum dewatering apparatus for a papermaking machine as claimed in claim 5, wherein: a plurality of hydrophobic holes (1461) are formed in the upper surface of the lower pressing plate (146), a hydrophobic cavity (1462) is formed in the lower pressing plate (146) below the hydrophobic holes (1461), and the hydrophobic holes (1461) are communicated with the hydrophobic cavity (1462).
7. A vacuum dewatering apparatus for a papermaking machine as claimed in claim 6, wherein: the downside of hydrophobic cavity (1462) is connected with flexible water pipe (13), the other end of flexible water pipe (13) is connected on vacuum dehydrator (12), the right side of vacuum dehydrator (12) is connected with outlet pipe (15).
8. A vacuum dewatering apparatus for a paper machine as claimed in claim 1, characterized by: and a hot air plate (16) is arranged below the dewatering felt (3) on the lower layer, and a hot air pipe (17) is connected to the hot air plate (16).
9. A vacuum dewatering apparatus for a papermaking machine as claimed in claim 1, wherein: and a cold air plate (18) is fixedly mounted on the left wall of the dewatering box (1) on the left side of the dewatering felt (3) on the left side, and a cold air pipe (19) is connected to the cold air plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720067.9U CN218478968U (en) | 2022-07-05 | 2022-07-05 | Vacuum dewatering device of paper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720067.9U CN218478968U (en) | 2022-07-05 | 2022-07-05 | Vacuum dewatering device of paper machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218478968U true CN218478968U (en) | 2023-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221720067.9U Active CN218478968U (en) | 2022-07-05 | 2022-07-05 | Vacuum dewatering device of paper machine |
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| Country | Link |
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| CN (1) | CN218478968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116219789A (en) * | 2023-03-29 | 2023-06-06 | 广东理文造纸有限公司 | Paper web extrusion dewatering device for papermaking |
-
2022
- 2022-07-05 CN CN202221720067.9U patent/CN218478968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116219789A (en) * | 2023-03-29 | 2023-06-06 | 广东理文造纸有限公司 | Paper web extrusion dewatering device for papermaking |
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