CN216765417U

CN216765417U - Adjustable dewatering device for head box

Info

Publication number: CN216765417U
Application number: CN202122723090.5U
Authority: CN
Inventors: 徐悦阳; 应艳; 潘有余; 叶轶芬; 刘川江
Original assignee: Zhejiang Huazhang Technology Co Ltd
Current assignee: Zhejiang Huazhang Technology Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-17
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses an adjustable dehydration device for a flow box, which belongs to the technical field of flow boxes and comprises a dehydration box, wherein the dehydration box comprises an upper box body and a lower box body, the upper box body is fixedly connected to the top of the lower box body, the bottom of the lower box body is fixedly sleeved with a drain pipe, a plurality of dehydration net plates are fixedly installed between the inner walls of the upper box body, a plurality of dehydration holes are formed in the dehydration net plates, a plurality of push-pull rods are slidably clamped on side plates on two sides of the upper box body, one end of each push-pull rod extends into the upper box body and is fixedly connected with a sealing plate, the sealing plates are tightly attached to the dehydration net plates, and a plurality of adjusting holes are formed in the sealing plates. After rivers got into the dewatering box, dewater through the dehydration hole on the dehydration otter board, then through box mass flow down and discharge through the drain pipe, through sliding the push-and-pull rod, the push-and-pull rod drives the closing plate and slides along the dehydration otter board to change the just area in regulation hole and dehydration hole, realize the flow area in dehydration hole and adjust, change the dewatering ability, thereby improve the productivity of enterprise, combine pipeline vacuum suction to adjust, can effectively reduce the energy consumption of enterprise.

Description

Adjustable dewatering device for head box

Technical Field

The utility model relates to the technical field of a head box, in particular to an adjustable dewatering device for the head box.

Background

The head box is the key part of modern paper machine, and its structure and performance have the decisive effect to the formation of paper and the quality of paper, and two sheets that have the radian and pipeline vacuum suction in the dewatering box of current head box are used for the water in the thick liquids and take off, have following not enough: (1) because the sheets in the box are fixed in shape, the dewatering conditioning capacity for the slurry is limited. The production of paper is affected, and the productivity is reduced; (2) the dewatering regulation capacity of the head box can only be regulated by changing the vacuum suction force through a pipeline, and the energy consumption of an enterprise can be increased.

SUMMERY OF THE UTILITY MODEL

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 utility model adopts the following technical scheme: the utility model provides an adjustable dewatering device for a flow box, which comprises a dewatering box, wherein the dewatering box comprises an upper box body and a lower box body, the upper box body is fixedly connected to the top of the lower box body, the bottom of the lower box body is fixedly sleeved with a drain pipe, a plurality of dewatering screen plates are fixedly installed between the inner walls of the upper box body, a plurality of dewatering holes are formed in the dewatering screen plates, a plurality of push-pull rods are clamped on side plates on two sides of the upper box body in a sliding mode, one ends of the push-pull rods extend into the upper box body and are fixedly connected with a sealing plate, the sealing plate is tightly attached to the dewatering screen plates, and a plurality of adjusting holes are formed in the sealing plate.

Preferably, the upper box body is of a hollow cuboid structure, the lower box body is of a square platform structure, and the large end of the lower box body is connected with the upper box body.

Preferably, go up the box and keep away from the one end outer wall fixed mounting connecting frame of box down, a plurality of strengthening ribs of fixed mounting between the outer wall of connecting frame and last box, the one end fixed mounting ring flange of box is kept away from down to the drain pipe, it has a plurality of connecting holes to open on the ring flange.

Preferably, a plurality of partition plates are fixedly welded on the inner wall of the upper box body, the dewatering screen plates are fixedly welded between the partition plates and the inner wall of the upper box body, and each dewatering screen plate is provided with two rows of dewatering holes which are distributed in a staggered manner.

Preferably, one end, far away from the sealing plate, of the push-pull rod penetrates through the outer wall of the upper box body in a sliding mode and is connected with the handle through a threaded structure, the surface of the handle is provided with meshed anti-skidding threads, and one end, close to the inner wall of the upper box body, of the push-pull rod is fixedly sleeved with a limiting ring.

Preferably, the push-and-pull rod includes stock, intermediate lever and quarter butt, the closing plate includes first plate body, second plate body and third plate body, stock, intermediate lever and quarter butt all slide and run through the box, first plate body, second plate body and third plate body all slide laminating dehydration otter board, and all opened the regulating hole on first plate body, second plate body and the third plate body, stock, intermediate lever and quarter butt keep away from the one end difference fixed connection first plate body, second plate body and the third plate body of last box inner wall.

Preferably, the side wall of first plate body, second plate body and third plate body is the parallel and level, third plate body and second plate body are T type structure, first plate body is Z type structure.

Preferably, the middle part of the long rod is in sliding fit with the top surfaces of the second plate body and the third plate body, the middle part of the middle rod is in sliding fit with the top surface of the third plate body, and the diameter and the center distance of the adjusting hole are equal to those of the dewatering hole.

The utility model has the beneficial effects that:

1. after water flow enters the dewatering box, dewatering is carried out through dewatering holes in the dewatering screen plate, then the water flow is collected through the lower box body and discharged through the drain pipe, and the push-pull rod is slid to drive the sealing plate to slide along the dewatering screen plate, so that the area opposite to the adjusting holes and the dewatering holes is changed, and the flow area adjustment of the dewatering holes is realized;

2. through the push-pull rod of three different length, can adjust first plate body, second plate body and third plate body respectively, realize adjusting the diversification, change the dewatering capacity to improve the productivity of enterprise, combine pipeline vacuum suction to adjust, can effectively reduce the energy consumption of enterprise.

Drawings

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

Fig. 1 is a schematic structural diagram of an adjustable dewatering device 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 schematic top view of a dewatering screen according to the utility model.

Fig. 4 is a structural view illustrating a state of adjusting the size of the dehydrating holes according to the present invention.

Description of reference numerals: 1. a dewatering box; 11. a connecting frame; 12. an upper box body; 13. a lower box body; 14. a drain pipe; 15. a partition plate; 2. dewatering screen plate; 3. a dewatering hole; 4. a sealing plate; 41. a first plate body; 42. a second plate body; 43. a third plate body; 5. an adjustment hole; 6. a push-pull rod; 61. a long rod; 62. an intermediate lever; 63. a short bar; 7. a handle; 8. reinforcing ribs; 9. a flange plate; 10. a limit ring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example (b): as shown in fig. 1-4, the present invention provides an adjustable dewatering device for a head box, which comprises a dewatering box 1, wherein the dewatering box 1 comprises an upper box body 12 and a lower box body 13, the upper box body 12 is fixedly connected to the top of the lower box body 13, the bottom of the lower box body 13 is fixedly sleeved with a drain pipe 14, a plurality of dewatering screen plates 2 are fixedly installed between the inner walls of the upper box body 12, a plurality of dewatering holes 3 are formed in the dewatering screen plates 2, a plurality of push-pull rods 6 are slidably clamped on the side plates on the two sides of the upper box body 12, one end of each push-pull rod 6 extends into the upper box body 12 and is fixedly connected with a sealing plate 4, the sealing plate 4 is tightly attached to the dewatering screen plates 2, and a plurality of adjusting holes 5 are formed in the sealing plate 4. After rivers got into dewatering box 1, dewater through dewatering hole 3 on the dehydration otter board 2, then through box 13 mass flows down and discharge through drain pipe 14, through sliding push-and-pull rod 6, push-and-pull rod 6 drives closing plate 4 and slides along dewatering otter board 2 to change adjusting hole 5 and the just right area of dewatering hole 3, realize the flow area of dewatering hole 3 and adjust, change the dewatering capacity, thereby improve the productivity of enterprise, combine pipeline vacuum suction to adjust, can effectively reduce the energy consumption of enterprise.

Further, the upper box body 12 is a hollow cuboid structure, the lower box body 13 is a square platform structure, the large end of the lower box body 13 is connected with the upper box body 12, and the lower box body 13 is a square platform structure with a large upper part and a small lower part, so that the water which is removed is conveniently subjected to flow concentration and discharge.

Further, go up box 12 and keep away from one end outer wall fixed mounting connecting frame 11 of box 13 down, a plurality of strengthening ribs 8 of fixed mounting between the outer wall of connecting frame 11 and last box 12, drain pipe 14 keeps away from one end fixed mounting ring flange 9 of box 13 down, and it has a plurality of connecting holes to open on the ring flange 9, is convenient for observe the inside situation of box through connecting frame 11 installation sight glass, is convenient for drain pipe 14 and external pipeline through ring flange 9 to be connected.

Furthermore, go up a plurality of division boards 15 of fixed welding of inner wall of box 12, dehydration otter board 2 fixed welding is between division board 15 and the inner wall of last box 12, and all opened two rows of dehydration holes 3 on every dehydration otter board 2, and two rows of dehydration holes 3 crisscross distribution will go up box 12 inner chamber evenly to divide equally to rivers, evenly dewater, improve dehydration efficiency through division board 15.

Further, the one end that closing plate 4 was kept away from to push-and-pull rod 6 all slides and runs through the outer wall of last box 12 and connect handle 7 through the helicitic texture, the surface of handle 7 is equipped with netted anti-skidding line, push-and-pull rod 6 is close to one of last box 12 inner wall and serves fixedly cup joints spacing ring 10, push-and-pull rod 6 is convenient for through handle 7, it is spacing to the length of pulling out of push-and-pull rod 6 through spacing ring 10, avoid closing plate 4 to strike and go up the box 12 inner wall and lead to warping.

Preferably, the push-pull rod 6 comprises a long rod 61, a middle rod 62 and a short rod 63, the sealing plate 4 comprises a first plate body 41, a second plate body 42 and a third plate body 43, the long rod 61, the middle rod 62 and the short rod 63 all slidably penetrate through the upper box body 12, the first plate body 41, the second plate body 42 and the third plate body 43 are slidably attached to the dewatering screen plate 2, the first plate body 41, the second plate body 42 and the third plate body 43 are respectively provided with an adjusting hole 5, one end of the long rod 61, the middle rod 62 and the short rod 63 far away from the inner wall of the upper box body 12 is respectively fixedly connected with the first plate body 41, the second plate body 42 and the third plate body 43, the side walls of the first plate body 41, the second plate body 42 and the third plate body 43 are flush, the third plate body 43 and the second plate body 42 are both in a T-shaped structure, the first plate body 41 is in a Z-shaped structure, the middle part of the long rod 61 is slidably attached to the top surfaces of the second plate body 42 and the third plate body 43, the middle part of the middle rod 62 is slidably attached to the top surface of the third plate body 43, the diameter and the center distance of the adjusting holes 5 are equal to the diameter and the center distance of the dewatering holes 3, and the first plate body 41, the second plate body 42 and the third plate body 43 can be respectively adjusted through the three push-pull rods 6 with different lengths, so that adjustment diversification is realized.

During the use, rivers get into dehydration tank 1 back, dewater through dehydration hole 3 on the dehydration otter board 2, then through box 13 mass flow down and discharge through drain pipe 14, through sliding push-and-pull rod 6, push-and-pull rod 6 drives closing plate 4 and slides along dehydration otter board 2, thereby change adjusting hole 5 and the just area of dehydration hole 3, realize the flow area regulation of dehydration hole 3, and through the push-and-pull rod 6 of three different length, can adjust first plate body 41 respectively, second plate body 42 and third plate body 43, realize adjusting the diversification, change the dewatering capacity, thereby improve enterprise's productivity, combine pipeline vacuum suction to adjust, can effectively reduce enterprise's energy consumption.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An adjustable dewatering device for a headbox, comprising a dewatering box (1), characterized in that: dehydration box (1) includes box (12) and lower box (13), go up box (12) fixed connection at the top of box (13) down, the bottom of box (13) is fixed to cup joint drain pipe (14) down, go up a plurality of dehydration otter boards (2) of fixed mounting between the inner wall of box (12), it has a plurality of dehydration holes (3) to open on dehydration otter board (2), go up a plurality of push-and-pull rods (6) of equal slip joint on the both sides curb plate of box (12), the one end of push-and-pull rod (6) stretches into in box (12) and fixed connection closing plate (4), closing plate (4) closely laminate dehydration otter board (2), and it has a plurality of regulation holes (5) to open on closing plate (4).

2. An adjustable dewatering apparatus for a headbox, as recited in claim 1, characterized by: go up box (12) and be cavity cuboid structure, box (13) are square platform structure down, and box (12) is connected to the main aspects of lower box (13).

3. An adjustable dewatering apparatus for a headbox, as recited in claim 1, characterized by: go up box (12) and keep away from one end outer wall fixed mounting connecting frame (11) of lower box (13), a plurality of strengthening ribs of fixed mounting (8) between the outer wall of connecting frame (11) and last box (12), one end fixed mounting ring flange (9) of box (13) are kept away from down in drain pipe (14), it has a plurality of connecting holes to open on ring flange (9).

4. An adjustable dewatering apparatus for a headbox, as recited in claim 1, characterized by: the inner wall of the upper box body (12) is fixedly welded with a plurality of partition plates (15), the dehydration screen plates (2) are fixedly welded between the partition plates (15) and the inner wall of the upper box body (12), and each dehydration screen plate (2) is provided with two rows of dehydration holes (3), and the two rows of dehydration holes (3) are distributed in a staggered manner.

5. An adjustable dewatering apparatus for a headbox, as recited in claim 1, characterized by: one end, far away from the sealing plate (4), of the push-pull rod (6) penetrates through the outer wall of the upper box body (12) in a sliding mode and is connected with the handle (7) through a threaded structure, meshed anti-skidding threads are arranged on the surface of the handle (7), and one end, close to the inner wall of the upper box body (12), of the push-pull rod (6) is fixedly sleeved with the limiting ring (10).

6. An adjustable dewatering apparatus for a headbox as recited in claim 1, characterized by: push-and-pull rod (6) are including stock (61), intermediate lever (62) and quarter butt (63), closing plate (4) are including first plate body (41), second plate body (42) and third plate body (43), stock (61), intermediate lever (62) and quarter butt (63) all slide and run through box (12) on, first plate body (41), second plate body (42) and third plate body (43) all slide the laminating and dewater otter board (2), and all open on first plate body (41), second plate body (42) and the third plate body (43) and have regulation hole (5), stock (61), intermediate lever (62) and quarter butt (63) keep away from the one end of last box (12) inner wall and respectively fixed connection first plate body (41), second plate body (42) and third plate body (43).

7. An adjustable dewatering apparatus for a headbox, as recited in claim 6, characterized by: the side walls of the first plate body (41), the second plate body (42) and the third plate body (43) are flush, the third plate body (43) and the second plate body (42) are both T-shaped structures, and the first plate body (41) is Z-shaped.

8. An adjustable dewatering apparatus for a headbox, as recited in claim 6, characterized by: the middle part of stock (61) slides the top surface of laminating second plate body (42) and third plate body (43), the top surface of the middle part of middle lever (62) slides the top surface of laminating third plate body (43), the diameter and the centre-to-centre spacing of regulation hole (5) equal diameter and the centre-to-centre spacing of dehydration hole (3).