CN113930993B - Adjustable dewatering device for headbox - Google Patents
Adjustable dewatering device for headbox Download PDFInfo
- Publication number
- CN113930993B CN113930993B CN202111317607.9A CN202111317607A CN113930993B CN 113930993 B CN113930993 B CN 113930993B CN 202111317607 A CN202111317607 A CN 202111317607A CN 113930993 B CN113930993 B CN 113930993B
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- pull rod
- baffle
- box body
- upper box
- partition
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/02—Head boxes of Fourdrinier machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/04—Head boxes of cylinder machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
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- Centrifugal Separators (AREA)
- Paper (AREA)
Abstract
The invention discloses an adjustable dewatering device for a head box, which belongs to the technical field of paper machines and comprises a dewatering box, wherein the dewatering box comprises an upper box body and a water collecting bucket, the upper box body is integrally connected to the water collecting bucket, side wallboards are integrally formed on two sides of the upper box body, a drain pipe is fixedly arranged at the bottom of the water collecting bucket, a plurality of partition boards are fixedly arranged between the inner walls of the upper box body, the inner cavities of the upper box body are divided into a plurality of partition cavities by the plurality of partition boards, a dewatering partition board is fixedly arranged between the partition boards and the inner wall, close to the water collecting bucket, of the upper box body, a plurality of fixing holes are formed in the dewatering partition board, and an adjusting component is arranged between one side, far away from the water collecting bucket, of the dewatering partition board and the upper box body. The water is evenly distributed into the upper box body through the plurality of partition cavities, the opening and closing sizes of the fixing holes are adjusted through the adjusting assembly, so that the dehydration capacity of the head box is improved, the productivity of enterprises is improved, and the detached water is discharged through the collecting hopper in a collecting mode.
Description
Technical Field
The invention relates to the technical field of paper machines, in particular to an adjustable dewatering device for a headbox.
Background
Headbox is a critical part of modern paper machines. The structure and the performance of the headbox have decisive effect on the formation of paper sheets and the quality of paper, and the current headbox relies on vacuum suction force of two sheets with radians and a pipeline in a dewatering box to remove water in slurry, and has the following defects: (1) Because the shape of the sheets in the tank is fixed, the dewatering adjustment capacity for the slurry is limited. The production of paper can be influenced, and the productivity is reduced; (2) The dehydration adjustment capability of the headbox can only be adjusted by changing the vacuum suction by means of a pipeline, so that the energy consumption of enterprises can be increased.
Disclosure of Invention
In view of the above-mentioned technical drawbacks, it is an object of the present invention to provide an adjustable dewatering device for a headbox.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides an adjustable dewatering device for a head box, which comprises a dewatering box, wherein the dewatering box comprises an upper box body and a water collecting bucket, the upper box body is integrally connected to the water collecting bucket, side wallboards are integrally formed on two sides of the upper box body, a drain pipe is fixedly arranged at the bottom of the water collecting bucket, a plurality of partition boards are fixedly arranged between the inner walls of the upper box body, the inner cavities of the upper box body are divided into a plurality of partition cavities by the partition boards, a dewatering partition board is fixedly arranged between the partition board and the inner wall, close to the water collecting bucket, of the upper box body, a plurality of fixing holes are formed in the dewatering partition board, and an adjusting assembly is arranged between one side, far away from the water collecting bucket, of the dewatering partition board and the upper box body.
In a preferred embodiment, a flange is integrally formed at one end of the upper box body far away from the water collecting bucket, a plurality of reinforcing rib plates are fixedly installed between the flange and the outer wall of the upper box body, and a gap is formed at one side of the flange close to the inner cavity of the upper box body.
In a preferred embodiment, the water collecting bucket is of a funnel-shaped structure, the bottom of the small-diameter end of the water collecting bucket is fixedly sleeved with a drain pipe, and an integrally formed connecting flange is arranged on the outer wall of one end of the drain pipe, which is far away from the water collecting bucket.
In a preferred embodiment, the dewatering partition plate comprises a horizontal end and an inclined end, the inclined end is integrally formed on one side of the horizontal end, the inclined end and one side, far away from the horizontal end, of the horizontal end are respectively and fixedly connected with the partition plate and the upper box body on two sides of the partition cavity, two rows of fixing holes are formed in the horizontal end, and the two rows of fixing holes are distributed in a staggered mode.
The preferred embodiment, the adjusting part includes long pull rod, well pull rod and short pull rod, all sliding sleeve has long pull rod, well pull rod and short pull rod on the subregion chamber both sides side wall board, the outer wall of box and fixed connection handle are all passed through in the slip of long pull rod, well pull rod and short pull rod's one end, the other end slip of long pull rod, well pull rod and short pull rod runs through to the inner chamber in subregion chamber and fixed connection first baffle, second baffle and third baffle respectively, all closely laminating dehydration baffle of first baffle, second baffle and third baffle, and all open a plurality of regulation holes on first baffle, second baffle and the third baffle.
In a preferred embodiment, the long pull rod, the middle pull rod and the short pull rod are respectively fixedly welded on one sides of the first baffle, the second baffle and the third baffle, which are far away from the dehydration baffle, the first baffle is of a Z-shaped structure, and the second baffle and the third baffle are of T-shaped structures.
The preferred embodiment, install locating component between long pull rod, well pull rod and short pull rod and the side wall board, locating component includes the mount pad, the outer wall fixed mounting mount pad of side wall board, the mount pad is close to the one end and the side wall board of subregion chamber and is opened there is the mounting hole, the interference cup joints the axle sleeve in the mounting hole, all fix on long pull rod, well pull rod and the short pull rod of side wall board inner wall department and cup joint the stop piece, the mount pad is kept away from the one end of side wall board and is opened there is the retaining ring hole, the interference cup joints circlip in the retaining ring hole, the terminal surface of mount pad passes through the bolt installation end cover, the end cover closely presses on the circlip, the one end terminal surface fixed connection screw thread section that long pull rod, well pull rod and short pull rod are close to the handle, the screw thread section cup joints in the handle through the helicitic texture.
In a preferred implementation case, the distance from the stop block to the thread section is equal to the sum of the thickness of the side wall plate, the thickness of the mounting seat, the thickness of the end cover and the circle center distance of the two adjacent fixing holes, the cross section of the elastic retainer ring is of a J-shaped structure, and the inner wall of the small-diameter end of the elastic retainer ring is attached to the outer walls of the long pull rod, the middle pull rod and the short pull rod.
The invention has the beneficial effects that:
1. the dewatering box is convenient to be connected and fixed with the head box through the flange and the gap, water is evenly distributed into the upper box through the plurality of partition cavities, and the dewatering partition plate is convenient for water flow to the fixing holes through the inclined ends, so that the dewatering efficiency is accelerated;
2. the shaft sleeve is used for guiding and sliding the long pull rod, the middle pull rod and the short pull rod, so that the positions of the long pull rod, the middle pull rod and the short pull rod are kept fixed, the first baffle plate, the second baffle plate and the third baffle plate are tightly attached to the dehydration baffle plate, and the first baffle plate, the second baffle plate and the third baffle plate can realize the purpose of sealing and adjusting the fixed holes;
3. when the handle is pushed and pulled, the long pull rod, the middle pull rod and the short pull rod respectively drive the first baffle, the second baffle and the third baffle to slide, the dead area of the adjusting holes on the first baffle, the second baffle and the third baffle and the dead holes is changed, the flowing size adjustment of the dead holes is realized, and the aim of adjusting the dewatering capacity is fulfilled, so that the productivity of enterprises is improved, the vacuum suction adjustment of pipelines is combined, and the energy consumption of the enterprises can be effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic front view of an adjustable dewatering apparatus for a headbox according to an embodiment of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a left-view partial structure diagram of the present invention.
FIG. 4 is a schematic top view of the dewatering partition of the present invention.
Fig. 5 is a schematic structural diagram of the state after the flow size of the fixing hole is adjusted.
Fig. 6 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.
Fig. 7 is a schematic diagram of the structure B in fig. 1 according to the present invention.
Reference numerals illustrate: 1. a dewatering box; 11. an upper case; 12. a side wall plate; 13. a water collection bucket; 14. a drain pipe; 15. a flange; 16. reinforcing rib plates; 17. a connecting flange; 2. a dehydration separator; 21. an inclined end; 22. a horizontal end; 3. a fixing hole; 4. an adjustment assembly; 41. a long pull rod; 42. a middle pull rod; 43. a short pull rod; 44. a first baffle; 45. a second baffle; 46. a third baffle; 47. an adjustment aperture; 48. a handle; 49. a positioning assembly; 491. a mounting base; 492. a mounting hole; 493. a shaft sleeve; 494. a stop block; 495. a retainer ring hole; 496. a circlip; 497. an end cap; 498. a threaded section; 5. a partition plate; 6. a partition cavity; 7. a void.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1 to 7, the invention provides an adjustable dewatering device for a headbox, which comprises a dewatering box 1, wherein the dewatering box 1 comprises an upper box body 11 and a water collecting hopper 13, the upper box body 11 is integrally connected to the water collecting hopper 13, side wall plates 12 are integrally formed on two sides of the upper box body 11, a drain pipe 14 is fixedly arranged at the bottom of the water collecting hopper 13, a plurality of partition plates 5 are fixedly arranged between the inner walls of the upper box body 11, the inner cavity of the upper box body 11 is divided into a plurality of partition chambers 6 by the plurality of partition plates 5, a dewatering partition plate 2 is fixedly arranged between the partition plates 5 and the inner wall, close to the water collecting hopper 13, of the upper box body 11, a plurality of fixing holes 3 are formed in the dewatering partition plate 2, and an adjusting component 4 is arranged between one side, far away from the water collecting hopper 13, of the dewatering partition plate 2 and the upper box body 11. The water is evenly distributed into the upper box body 11 through the plurality of partition cavities 6, the opening and closing sizes of the fixing holes 3 are adjusted through the adjusting assembly 4, so that the dehydration capacity of the head box is improved, the productivity of enterprises is improved, and the dehydrated water is collected and discharged through the water collecting hopper 13.
Further, one end of the upper box body 11 far away from the water collecting bucket 13 is integrally provided with a flange 15, a plurality of reinforcing rib plates 16 are fixedly arranged between the flange 15 and the outer wall of the upper box body 11, one end of the flange 15 close to the inner cavity of the upper box body is provided with a gap 7, and water can conveniently flow into the upper box body 11 from above through the gap 7.
Further, the water collecting bucket 13 is of a funnel-shaped structure, the bottom of the small-diameter end of the water collecting bucket 13 is fixedly sleeved with the drain pipe 14, one end outer wall of the drain pipe 14, which is far away from the water collecting bucket 13, is integrally formed with the connecting flange 17, water is concentrated through the water collecting bucket 13, and an external water pipe is connected through the drain pipe 14 and the connecting flange 17, so that water is conveniently drained.
Further, the dewatering partition plate 2 comprises a horizontal end 22 and an inclined end 21, the inclined end 21 is integrally formed at one side of the horizontal end 22, the inclined end 21 and one side, away from the horizontal end 22, of the horizontal end 22 are fixedly connected with the partition plate 5 and the upper box 11 at two sides of the partition cavity 6 respectively, two rows of fixing holes 3 are formed in the horizontal end 22, the two rows of fixing holes 3 are distributed in a staggered mode, water flow to the fixing holes 3 is facilitated through the inclined end 21, and dewatering is facilitated.
The adjusting component 4 comprises a long pull rod 41, a middle pull rod 42 and a short pull rod 43, the long pull rod 41, the middle pull rod 42 and the short pull rod 43 are sleeved on the side wallboards 12 on two sides of the partition cavity 6 in a sliding manner, one ends of the long pull rod 41, the middle pull rod 42 and the short pull rod 43 penetrate through the outer wall of the upper box 11 in a sliding manner and are fixedly connected with a handle 48, the other ends of the long pull rod 41, the middle pull rod 42 and the short pull rod 43 penetrate through the inner cavity of the partition cavity 6 in a sliding manner and are respectively and fixedly connected with a first baffle 44, a second baffle 45 and a third baffle 46, the first baffle 44, the second baffle 45 and the third baffle 46 are tightly attached to the dehydration partition board 2, a plurality of adjusting holes 47 are formed in the first baffle 44, the second baffle 45 and the third baffle 46, the long pull rod 41, the middle pull rod 42 and the short pull rod 43 are respectively fixedly welded on one side, far away from the dehydration baffle 2, of the first baffle 44, the second baffle 45 and the third baffle 46, the first baffle 44 is of a Z-shaped structure, the second baffle 45 and the third baffle 46 are of T-shaped structures, the long pull rod 41, the middle pull rod 42 and the short pull rod 43 are pulled by the handle 48, the first baffle 44, the second baffle 45 and the third baffle 46 are respectively pulled by the long pull rod 41, the middle pull rod 42 and the short pull rod 43, and accordingly the dead areas of the adjusting holes 47 on the first baffle 44, the second baffle 45 and the third baffle 46 and the fixing holes 3 are changed, the flow size of the fixing holes 3 is adjusted, and the dehydration capacity is adjusted.
The positioning component 49 is arranged between the long pull rod 41, the middle pull rod 42 and the short pull rod 43 and the side wall plate 12, the positioning component 49 comprises a mounting seat 491, a mounting seat 491 is fixedly arranged on the outer wall of the side wall plate 12, a mounting hole 492 is arranged between one end of the mounting seat 491 close to the partition cavity 6 and the side wall plate 12, a sleeve 493 is sleeved in the mounting hole 492 in an interference manner, the long pull rod 41, the middle pull rod 42 and the short pull rod 43 slide to penetrate through the sleeve 493, a stop block 494 is fixedly sleeved on the long pull rod 41, the middle pull rod 42 and the short pull rod 43 at the inner wall of the side wall plate 12, a check ring hole 495 is arranged at one end of the mounting seat 491 far from the side wall plate 12, a circlip 496 is sleeved in the check ring hole 495 in an interference manner, the end face of the mounting seat 491 is tightly pressed on the circlip 496 through a bolt mounting end cover 497, one end face of the long pull rod 41, the middle pull rod 42 and the short pull rod 43 close to the handle 48 is fixedly connected with a threaded section 498, the threaded section 498 is sleeved in the handle 48 through a threaded structure, the distance from the stop block 494 to the threaded section 498 is equal to the thickness of the side wall plate 12, the thickness of the mounting seat 491, the thickness of the end cover 497 and the sum of the circle center distances of the two adjacent fixing holes 3, the cross section of the elastic retainer 496 is of a J-shaped structure, the inner wall of the small diameter end of the elastic retainer 496 is attached to the outer wall of the long pull rod 41, the middle pull rod 42 and the short pull rod 43, the guide sliding of the shaft sleeve 493 on the long pull rod 41, the middle pull rod 42 and the short pull rod 43 is ensured, the positions of the long pull rod 41, the middle pull rod 42 and the short pull rod 43 are kept fixed, the first baffle 44, the second baffle 45 and the third baffle 46 are ensured to be tightly attached to the dewatering partition plate 2, and meanwhile, the stop block 494 performs limit positioning when the long pull rod 41, the middle pull rod 42 and the short pull rod 43 pull the first baffle 44, the second baffle 45 and the third baffle 46 are avoided, the second baffle 45 and the third baffle 46 collide with each other to cause deformation.
During the use, be convenient for let water flow from the top in the upper box 11, in evenly dividing the upper box 11 with water through a plurality of subregions chamber 6, dewatering baffle 2 is convenient for rivers flow to fixed orifices 3 through inclined end 21, guide slip to long pull rod 41 through axle sleeve 493, well pull rod 42 and short pull rod 43, guarantee that long pull rod 41, well pull rod 42 and short pull rod 43 position remain fixed, ensure that first baffle 44, second baffle 45 and third baffle 46 closely laminate dewatering baffle 2, then push-pull handle 48, when then push-pull handle 48, long pull rod 41, well pull rod 42 and short pull rod 43 drive first baffle 44 respectively, second baffle 45 and third baffle 46 slide, change the flow size adjustment of fixed orifices 3 is realized to the just facing area of hole 47 on first baffle 44, second baffle 45 and the third baffle 46, reach the regulation purpose of dehydration ability, thereby improve the enterprise, combine pipeline vacuum regulation, can effectively reduce enterprise energy consumption, after the dehydration, carry out water concentration through water collecting hopper 13, and connect the flange 14 with outside water drainage pipe 17, the water drainage pipe is convenient for connection.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. An adjustable dewatering device for a headbox, comprising a dewatering box (1), characterized in that: the dewatering box (1) comprises an upper box body (11) and a water collecting bucket (13), the upper box body (11) is integrally connected to the water collecting bucket (13), side wallboards (12) are integrally formed on two sides of the upper box body (11), a drain pipe (14) is fixedly arranged at the bottom of the water collecting bucket (13), a plurality of partition boards (5) are fixedly arranged between the inner walls of the upper box body (11), the partition boards (5) divide the inner cavity of the upper box body (11) into a plurality of partition cavities (6), a dewatering partition board (2) is fixedly arranged between the partition boards (5) and the inner wall, close to the water collecting bucket (13), of the upper box body (11), a plurality of fixing holes (3) are formed in the dewatering partition board (2), and an adjusting component (4) is arranged between one side, far away from the water collecting bucket (13), of the dewatering partition board (2) and the upper box body (11);
the dewatering partition plate (2) comprises a horizontal end (22) and an inclined end (21), wherein the inclined end (21) is integrally formed on one side of the horizontal end (22), the partition plate (5) and the upper box body (11) on two sides of the partition cavity (6) are respectively fixedly connected to one side, away from the horizontal end (22), of the inclined end (21), two rows of fixing holes (3) are formed in the horizontal end (22), and the two rows of fixing holes (3) are distributed in a staggered mode;
the adjusting component (4) comprises a long pull rod (41), a middle pull rod (42) and a short pull rod (43), wherein the long pull rod (41), the middle pull rod (42) and the short pull rod (43) are sleeved on the side wallboards (12) on two sides of the partition cavity (6) in a sliding mode, one ends of the long pull rod (41), the middle pull rod (42) and the short pull rod (43) are respectively and slidably penetrated through the outer wall of the upper box body (11) and fixedly connected with a handle (48), the other ends of the long pull rod (41), the middle pull rod (42) and the short pull rod (43) are respectively and slidably penetrated through the inner cavity of the partition cavity (6) and are respectively and fixedly connected with a first baffle (44), a second baffle (45) and a third baffle (46), the first baffle (44), the second baffle (45) and the third baffle (46) are respectively and tightly attached to the dehydration baffle (2), and a plurality of adjusting holes (47) are respectively formed in the first baffle (44), the second baffle (45) and the third baffle (46);
the long pull rod (41), the middle pull rod (42) and the short pull rod (43) are respectively fixedly welded on one side, far away from the dehydration baffle plate (2), of the first baffle plate (44), the second baffle plate (45) and the third baffle plate (46), the first baffle plate (44) is of a Z-shaped structure, and the second baffle plate (45) and the third baffle plate (46) are of T-shaped structures;
the utility model provides a handle, including long pull rod (41), well pull rod (42) and short pull rod (43) and side wall board (12) between installation locating component (49), locating component (49) are including mount pad (491), outer wall fixed mounting mount pad (491) of side wall board (12), mount pad (491) are close to one end of subregion chamber (6) and side wall board (12) between open have mounting hole (492), interference sleeve (493) in mounting hole (492), long pull rod (41), well pull rod (42) and short pull rod (43) slip run through sleeve (493), all fixed sleeve joint stop block (494) on long pull rod (41), well pull rod (42) and the short pull rod (43) of side wall board (12) inner wall department, open at one end that side wall board (491) kept away from has retaining ring hole (495), interference circlip (496) in retaining ring hole (495), the terminal surface of mount pad (491) passes through bolt mounting (497), end cover (497) are pressed in end cover (495) is closely in end cover (497) is pressed and is close to one end screw thread (48) of connecting with long pull rod (42) and short pull rod (43), the thread segments (498) are sleeved in the handle (48) through a thread structure.
2. An adjustable dewatering device for a headbox as recited in claim 1, wherein: one end of the upper box body (11) far away from the water collecting bucket (13) is integrally formed with a flange (15), a plurality of reinforcing rib plates (16) are fixedly arranged between the flange (15) and the outer wall of the upper box body (11), and a gap (7) is formed in one side, close to the inner cavity of the upper box body (11), of the flange (15).
3. An adjustable dewatering device for a headbox as recited in claim 1, wherein: the water collecting hopper (13) is of a funnel-shaped structure, the bottom of the small-diameter end of the water collecting hopper (13) is fixedly sleeved with the drain pipe (14), and the outer wall of one end of the drain pipe (14) far away from the water collecting hopper (13) is integrally formed with the connecting flange (17).
4. An adjustable dewatering device for a headbox as recited in claim 1, wherein: the distance from the stop block (494) to the thread section (498) is equal to the sum of the thickness of the side wall plate (12), the thickness of the mounting seat (491), the thickness of the end cover (497) and the circle center distance of two adjacent fixing holes (3), the cross section of the elastic retainer ring (496) is of a J-shaped structure, and the inner wall of the small-diameter end of the elastic retainer ring (496) is attached to the outer walls of the long pull rod (41), the middle pull rod (42) and the short pull rod (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317607.9A CN113930993B (en) | 2021-11-09 | 2021-11-09 | Adjustable dewatering device for headbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111317607.9A CN113930993B (en) | 2021-11-09 | 2021-11-09 | Adjustable dewatering device for headbox |
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| CN113930993A CN113930993A (en) | 2022-01-14 |
| CN113930993B true CN113930993B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111317607.9A Active CN113930993B (en) | 2021-11-09 | 2021-11-09 | Adjustable dewatering device for headbox |
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|---|---|---|---|---|
| GB637639A (en) * | 1948-05-22 | 1950-05-24 | Bertrams Ltd | Improved type of moisture-extraction box for paper-making machines |
| CN2034595U (en) * | 1988-07-30 | 1989-03-22 | 湖南省零陵地区农业机械厂 | Vacuum water absorbent box |
| KR20010029270A (en) * | 1999-09-30 | 2001-04-06 | 정주호 | Air Supply Control Unit in Vehicles Coating Room |
| DE10163575A1 (en) * | 2001-12-21 | 2003-07-03 | Voith Paper Patent Gmbh | Fibrous web-manufacturing apparatus comprises temperature sensor connected to removable edge piece connected to format slide and/or drainage rail |
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| CN113930993A (en) | 2022-01-14 |
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