CN216514850U - Broken paper pulping device of grey board paper machine - Google Patents

Abstract

The utility model relates to a broke pulping device of a gray paperboard paper machine, which comprises a broke tank, a spraying device and a stirring device, wherein the spraying device and the stirring device are arranged in the broke tank, an opening for feeding a paper web is formed in the upper part of the broke tank, the spraying device comprises a main spraying pipeline transversely arranged at the opening, a plurality of first spraying branch pipes facing the paper web are arranged on the main spraying pipeline, the stirring device comprises a driving motor, a speed reducer and a stirrer, the driving motor is fixedly arranged on the inner wall of the broke tank, the input end of the speed reducer is connected with the output end of the driving motor, the stirrer is connected with the output end of the speed reducer, a discharge opening is formed in the side wall of the bottom of the broke tank, the discharge opening is communicated with a discharge pipe, and the tail end of the discharge pipe is connected with a discharge pump. The utility model is suitable for a production system of a high-gram weight paper machine, has simple structure, no maintenance and adjustment, convenient operation, obvious broken paper disintegrating effect and high efficiency, prevents broken paper stacking, is convenient for the paper machine not to stop in short time, and improves the starting efficiency.

Description

Broken paper pulping device of grey board paper machine

Technical Field

The utility model relates to the technical field of broken paper treatment of paper machines, in particular to a broken paper pulping device of a gray paperboard paper machine.

Background

The gray paperboard is produced from recycled waste paper, and the product is divided into single ash, double ash and full ash, and belongs to an environment-friendly packaging material. Products derived from grey board are: the packaging box, the advertising board, the case, the hardcover, the storage box, the sample, the lining board, the clapboard and the like, has wide market application, generally has the quantitative content of 120 g/square meter and the maximum content of more than 1500 g/square meter, and has higher thickness and smaller tightness.

In the modern papermaking industry, full-automatic paper machine lines are popularized, the fast papermaking process comprises a net part, a pressing part, a drying part, a winding part and a rewinding part, all the processes are mutually linked, generally, when the next process has faults and needs short-time treatment, broke is broken at the outlet of the previous process, the broke is treated in the shortest time, the lowest cost is achieved, so that in the production process of the paper machine, if production equipment has problems, the broke can be broken in the previous process, the broke is treated, the produced broke is large in amount, the difficulty of broke treatment is relatively large, the broke must be treated quickly, the broke is not treated properly, broke stacking is easy to cause, long-time machine stopping and cleaning are needed subsequently, the operation efficiency is seriously influenced, and great loss is brought to enterprises.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a broke pulping device of a gray paperboard paper machine.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides an ash cardboard paper machine broke pulping device, including the broke pond, set up spray set and agitating unit in the broke pond, the upper portion in broke pond is equipped with the opening that is used for advancing the paper web, spray set is including transversely setting up the trunk line that sprays in the opening part, it is provided with the first branch pipe that sprays of a plurality of towards the paper web to spray on the trunk line, agitating unit includes driving motor, speed reducer and agitator, driving motor fixed mounting is on the broke pond inner wall, the input and the output of driving motor of speed reducer are connected, the agitator is connected with the output of speed reducer, be equipped with the discharge opening on the lateral wall of broke pond bottom, the discharge opening intercommunication has the discharge tube, the end-to-end connection of discharge tube has the unloading pump.

Preferably, the stirrer comprises a stirring main shaft, a plurality of impellers are mounted on the stirring main shaft, and a plurality of paper shredding knives are mounted on each impeller.

Preferably, the stirring main shaft forms an included angle of 30-60 degrees with the horizontal direction.

Preferably, the end of each paper shredding knife is a saw-toothed edge.

Preferably, the main spraying pipeline is communicated with an L-shaped auxiliary spraying pipeline, the auxiliary spraying pipeline is positioned on the back surface of the paper web, and the auxiliary spraying pipeline is provided with a plurality of second spraying branch pipes facing the paper web.

Preferably, the first spray branch pipe and the second spray branch pipe are staggered in a cross mode.

Compared with the prior art, the utility model has the beneficial effects that: the broke breaking device is suitable for a high-gram-weight paper machine production system, broke falls into the broke pool, paper web is torn into small pieces from large pieces through the spraying device, and then is further stirred and broken through the stirring device, so that the broke breaking device is simple in structure, free of maintenance and adjustment, convenient to operate, obvious in broke breaking effect, high in efficiency, capable of preventing the broke from being piled, convenient for the paper machine not to stop in a short time, and capable of improving starting efficiency.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a broke crushing device of a grey board paper machine according to an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a stirring device in a broke pulping device of a gray paperboard paper machine according to an embodiment of the utility model.

The reference numbers shown in the figures denote: 1. a broke pond; 2. a discharge pump; 3. a discharge pipe; 4. a discharge opening; 5. a main spraying pipeline; 6. a first spray branch pipe; 7. a paper web; 8. spraying an auxiliary pipeline; 9. a second spray branch pipe; 10. a drive motor; 11. a speed reducer; 12. a stirrer; 13. a stirring main shaft; 14. an impeller; 15. a paper shredding knife.

Detailed Description

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood 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.

Examples

Referring to fig. 1 and 2, the structure of the present invention is: a broken paper pulping device of a gray paperboard paper machine comprises a broken paper pool 1, a spraying device and a stirring device, wherein the spraying device and the stirring device are arranged in the broken paper pool 1, an opening used for feeding a paper web 7 is formed in the upper portion of the broken paper pool 1, the spraying device comprises a main spraying pipeline 5 transversely arranged at the opening, a plurality of first spraying branch pipes 6 facing the paper web 7 are arranged on the main spraying pipeline 5, the stirring device comprises a driving motor 10, a speed reducer 11 and a stirrer 12, the driving motor 10 is used for driving the stirrer 12, the speed reducer 11 can be designed into different speed ratios according to actual requirements and is used for reducing the speed and improving the torque of the stirrer 12, the driving motor 10 is fixedly arranged on the inner wall of the broken paper pool 1, the input end of the speed reducer 11 is connected with the output end of the driving motor 10, the stirrer 12 is connected with the output end of the speed reducer 11, a discharge opening 4 is formed in the side wall of the bottom of the broken paper pool 1, the discharge opening 4 is communicated with a discharge pipe 3, the tail end of the discharge pipe 3 is connected with a discharge pump 2.

In this embodiment, the agitator 12 includes an agitation spindle 13, the agitation spindle 13 is provided with a plurality of impellers 14, the number of the impellers 14 can be determined according to the actual situation of the paper web of the paper machine, each impeller 14 is provided with a plurality of paper shredding knives 15, and the falling small paper pieces are further shredded by the agitator 12.

In this embodiment, the stirring main shaft 13 forms an included angle of 30 to 60 degrees with the horizontal direction, and the inclination angle of the stirring main shaft 13 is adjustable, so that the paper shredding knife 15 can conveniently push the fiber-state slurry to the discharge pipe 3 and the next process is carried out by the discharge pump 2.

In this embodiment, the tail end of each paper shredding knife 15 is a serrated knife edge, which is beneficial to further mechanically shearing and shredding small paper blocks into a fiber state, so as to meet the suction requirement of the discharge pump 2.

In this embodiment, main pipe 5 that sprays is last to communicate to have the spray auxiliary conduit 8 of L shape, and spray auxiliary conduit 8 and be located the back of paper web 7, and spray and be provided with a plurality of second spray branch pipe 9 towards paper web 7 on the auxiliary conduit 8, and under the effect of colliding mutually of fiercely splitting to paper web 7 two sides at first spray branch pipe 6 and second spray branch pipe 9, paper web 7 is torn into the fritter by the bold, is convenient for follow-up further stirring to disintegrate.

In this embodiment, the first spray branch pipes 6 and the second spray branch pipes 9 are staggered in a crossed manner, which is beneficial for the high-pressure water flow to form a scissor shearing state, so that the paper web 7 is easier to be shredded.

When the paper machine is used in a specific mode, when the paper machine is started to draw paper and process faults, broken paper needs to be broken at the outlet of a net part, a pressing part or a drying part, broken paper is processed, when a paper web 7 falls into a broken paper pool 1, high-pressure water is divided into a first spraying branch pipe 6 and a second spraying branch pipe 9 through a main spraying pipe 5, the first spraying branch pipe 6 and the second spraying branch pipe 9 are staggered in a mutual crossing mode, high-pressure water flow forms a mutual shearing state, the paper web 7 is torn into small blocks from large blocks under the action of violent mutual collision of high-pressure water, then the small blocks are further disintegrated through a stirring device, a driving motor 10 drives a stirrer 12 to stir, the small paper blocks are further mechanically sheared and disintegrated into a fiber state, the requirement of suction of a discharging pump 2 is met, slurry is pushed to a discharging pipe 3, and is conveyed to the next process through the discharging pump 2.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims (6)

1. The utility model provides a grey board paper machine broke pulping device which characterized in that: comprises a broke pit (1), a spraying device and a stirring device which are arranged in the broke pit (1), wherein the upper part of the broke pit (1) is provided with an opening for feeding a paper web (7), the spraying device comprises a main spraying pipeline (5) which is transversely arranged at the opening, a plurality of first spraying branch pipes (6) facing the paper web (7) are arranged on the main spraying pipeline (5), the stirring device comprises a driving motor (10), a speed reducer (11) and a stirrer (12), the driving motor (10) is fixedly arranged on the inner wall of the broke pit (1), the input end of the speed reducer (11) is connected with the output end of the driving motor (10), the stirrer (12) is connected with the output end of the speed reducer (11), the side wall of the bottom of the broke pit (1) is provided with a discharge opening (4), the discharge opening (4) is communicated with a discharge pipe (3), the tail end of the discharge pipe (3) is connected with a discharge pump (2).

2. The broke pulper device of a grey board machine according to claim 1, characterised in that: the stirrer (12) comprises a stirring main shaft (13), a plurality of impellers (14) are mounted on the stirring main shaft (13), and each impeller (14) is provided with a plurality of paper shredding knives (15).

3. The broke pulper device of a grey board machine according to claim 2, characterised in that: the stirring main shaft (13) forms an included angle of 30-60 degrees with the horizontal direction.

4. The broke pulper unit of a grey board machine according to claim 2, wherein: the tail end of each paper shredding knife (15) is a saw-toothed knife edge.

5. The broke pulper device of a grey board machine according to claim 1, characterised in that: the spraying main pipeline (5) is communicated with an L-shaped spraying auxiliary pipeline (8), the spraying auxiliary pipeline (8) is located on the back face of the paper web (7), and the spraying auxiliary pipeline (8) is provided with a plurality of second spraying branch pipes (9) facing the paper web (7).

6. The broke pulper device of a grey board machine according to claim 5, characterised in that: the first spray branch pipes (6) and the second spray branch pipes (9) are mutually crossed and staggered.

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