WO2022042458A1

WO2022042458A1 - Pulp pack scattering device and method

Info

Publication number: WO2022042458A1
Application number: PCT/CN2021/113942
Authority: WO
Inventors: 李春鸣
Original assignee: 安德里茨（中国）有限公司
Priority date: 2020-08-25
Filing date: 2021-08-23
Publication date: 2022-03-03
Also published as: CN111994395A

Abstract

A pulp pack scattering device (100) and a pulp pack scattering method, the pulp scattering device (100) being used for scattering a pulp pack (200) on a pulp pack transportation route (300). The pulp pack scattering device (100) comprises a pair of clamping plates (101); the clamping plates (101) are configured to be capable of clamping and lifting upwards the pulp pack (200) from two sides of the pulp pack (200), and enabling the two sides of the pulp pack (200) to move relative to one another. A movable friction portion (102) is provided on one side of at least one clamping plates (101) facing the pulp pack (200). The friction portions (102) are used for driving the two sides of the pulp pack (200) when the pulp pack (200) is clamped by the clamping plates (101). The pulp pack scattering device (100) may enable adjacent pulp packs of the pulp pack (200) to separate from one another.

Description

Pulp bag disperser and method

technical field

The present invention relates to a pulp baler baler, which is used for baling pulp bales without steel wire binding, in particular to a pulp baler baler used in a pulp preparation line for raw pulp in papermaking. The present invention also relates to a method for bulk bagging of pulp.

Background technique

Wood pulp boards are used as raw materials in the pulp and paper industry. For the convenience of transportation, several sheets of wood pulp boards are bundled into pulp bales with pulp sheathing, for example, the size is 875×850×575mm, and bundled with steel wires. The entire pulp bale is also usually compressed hydraulically prior to packaging. However, this will result in a strong bond between the pages of the pulp package, and it is difficult to disperse even if it falls into the subsequent pulper section, or even if it can be dispersed, it requires longer pulping. time, or faster pulper rotor speed. But this will undoubtedly lead to an increase in pulping energy consumption.

Therefore, before entering the pulper, the pulp pack needs to be broken up, so that the pulp sheet in it becomes a multi-layer sheet-like dispersed structure, that is, the sheet-like dispersion state before the pulp pack is compressed as much as possible.

Chinese invention patent application CN202642222U discloses a pulp bale disperser. When the pulp bale passes through the pulp bale disperser on the chain conveyor, the bale bale hook of the pulp bale disperser will hook open the pulp bale. However, as mentioned above, when the pulp bag is only peeled off with the loose bag hook, because the pulp bag is usually compressed by hydraulic pressure, the pulp sheets of the pulp bag still maintain a relatively close combination, so the whole pulp bag cannot be ideally To break up, usually just break the pulp bag into several parts.

Chinese utility model application CN202030080U discloses a device for dispersing pulp bales, in which a number of toothed knives are welded on the roll body of the unpacking roll, and the serrated knives are arranged in a staggered shape, so that the firmly wrapped pulp bales can pass through the unpacking roll. The outer packaging is peeled off by the toothed knife, and the stacked wood pulp boards are broken up by the toothed knife that rotates subsequently, so that the wood pulp boards are spread on the chain conveyor.

Those skilled in the art also use gravity to make the pulp bag drop to the iron plate welded on the pulper tank before falling to the pulper, so as to achieve the purpose of buffering and dispersing the pulp bag. The disadvantage is also that the pulp bag cannot be completely dispersed, and the pulp plates in the pulp bag still stick together, which is not conducive to the subsequent pulping process. For example, Chinese utility model application CN204690489U discloses a pulp board pulper in a papermaking workshop, which includes an arc-shaped steel plate with a vertical welding point at a central position just below the entrance of the pulping tank. When the pulp board hits the arc-shaped steel plate, it will Shattered by the impact force.

Therefore, it is desirable to propose a device for dispersing pulp packs more efficiently, so that the pulp pack pulp sheets can be relatively dispersed in an all-round way before entering the pulper, so as to prevent the pulp packs from continuing to exist in the form of large pieces in the subsequent sections, thereby Significantly reduce the overall energy consumption of the pulper and reduce the impact on the rotor of the pulper.

SUMMARY OF THE INVENTION

To this end, the present invention first provides a pulp bale disperser 100 for dismantling the pulp bale 200 on the pulp bale transport route 300, wherein the pulp bale disperser 100 includes a pair of clamping plates 101, the clamping plates 101 is configured to be able to grip and lift the pulp bale 200 from opposite sides of the pulp bale 200 and move the opposite sides of the pulp bale 200 relative to each other, wherein at least one of the clamping plates 101 is provided with a movable friction part 102 on the side facing the pulp bale 200 , and the friction part 102 is used to drive at least one side of the pulp bale 200 when the clamping plate 101 clamps the pulp bale 200 .

Here, the opposite sides of the pulp bale may be the left and right sides of the pulp bale transport route 300, or may be the front and rear sides. The difference between clamping the pulp bales 200 from the left and right sides of the pulp bale transportation route 300 and clamping the pulp bales 200 from the front and rear sides is that in the latter case, after the pulp bales 200 are loosened, the clamping plate 101 still needs to do a An additional action is taken out of the bale transport route to avoid blocking the further progress of the disassembled pulp sheets on the bale transport route.

Preferably, the friction part 102 has a serrated structure, and the serrations of the serrated structure are parallel to the pulp board seams in the pulp bale 200 held by the clamping board 101 .

The pulp bale transportation route 300 can be formed by a chain plate conveyor, or can be formed by a chain conveyor. When the chain plate conveyor is used, the clamping plate 101 and its friction part 102 are arranged to move one side of the pulp bale 200 placed on the pulp bale transport route 300 upward, while the other side of the pulp bale 200 remains Do not move. In other words, after the clamping plate 101 clamps the pulp bales on the chain conveyor, since the chain conveyor provides a more rigid support than the chain conveyor, the clamping plate on one side can be directly lifted upwards.

According to a preferred embodiment of the pulp bale breaker of the present invention, the clamping plate 101 is arranged to be suitable for lifting the pulp bale 200 upward after clamping the pulp bale 200, the clamping plate 101 and its friction The portion 102 is arranged to move one side of the pulp bale 200 relative to the other side while the other side remains stationary after the pulp bale 200 is lifted up. Alternatively, it can also be considered that the clamping plate 101 and its friction portion 102 are arranged to move the two sides of the pulp bale 200 in opposite directions to each other after the pulp bale 200 is lifted upward.

According to a preferred embodiment of the pulp bale disperser of the present invention, the clamping plate 101 and its friction part 102 are arranged to move in the up-down direction. The clamping plate 101 and the friction part 102 move in the up-down direction, which helps to disperse the pulp plates stacked on top of each other in the pulp bale 200 . Of course, it can also be considered to increase the moving component in the front-rear direction for the splint 101 and the friction part 102, but in this way, the rubbed pulp plate will spread on the pulp bale transportation route 300 with a larger area, which is not conducive to the subsequent transportation and entering the crusher. in the pulper.

The pulp bale 200 can not only be rubbed by the up-and-down displacement of the clamping plate 101 and its friction part 102, but also the relative twisting or squeezing of the clamping plate 101 and its friction part 102 after clamping the pulp bale can also help the pulp bale 200 to be scattered. In practice, it should be weighed whether the pulp bale remains in a relatively gathered shape on the pulp bale transportation route 300 after being rubbed, and if so, the pulp bale 200 may be rubbed and rubbed in a corresponding twisting and squeezing manner. Preferably, the clamping plate 101 and the friction part 102 thereof are arranged to be capable of twisting the clamped sides of the pulp bale 200 relative to each other. Instead, the clamping plate 101 and its friction portion 102 are arranged to enable at least one edge of the pulp bale 200 to be squeezed on both sides to be clamped.

It is easy to understand that if the above-mentioned up-and-down displacement, twisting, and pressing can be performed reciprocally within a certain limit, it is preferable for the rubbing pulp bag. According to a preferred embodiment of the pulp bale disperser of the present invention, the clamping plate 101 and its friction part 102 are configured to reciprocally drive both sides of the pulp bale 200 after clamping the pulp bale 200 .

In the aspect of the method according to the present invention, the present invention also provides a method for dispersing the pulp bales, which is used for dispersing the pulp bales on the pulp bale conveying route, which comprises the following method steps: providing the above-mentioned pulp bale disperser 100; Clamp and lift the pulp bale 200 from opposite sides of the pulp bale 200 with the clamping plates 101 of the pulp bale disperser 100, and clamp the pulp bale 200 on the pulp bale for transportation Above the route 300; the opposite sides of the pulp bale 200 are moved relative to each other through the clamping plate 101 and the friction part 102; the clamping plate 101 is loosened, so that the pulp plate 200 from which the pulp bale 200 has been disassembled falls back to the The pulp bale conveying route 300.

According to a preferred embodiment of the method for dispersing the pulp bale of the present invention, in the step of causing the opposite sides of the pulp bale 200 to move relative to each other, only one side of the pulp bale 200 is made relative to the other side movement, leaving the other side of the pulp bale 200 stationary. Instead, the opposing sides of the pulp bale 200 are moved in opposite directions from each other.

According to a preferred embodiment of the method for dispersing the pulp bale according to the present invention, in the step of causing the opposite sides of the pulp bale 200 to move relative to each other, the clamping plate 101 and its friction part 102 are moved in the up-down direction .

According to a preferred embodiment of the method for dispersing the pulp bale according to the present invention, in the step of causing the relative movement of the opposite sides of the pulp bale 200, through the relative torsion of the clamping plate 101 or the friction part 102, the The clamped sides of the pulp bale 200 are twisted relative to each other.

According to a preferred implementation form of the method of dispersing the pulp bale of the present invention, in the step of causing the relative movement of the opposite sides of the pulp bale 200, through the relative inclination of the clamping plate 101 or the friction part 102, the The pulp pack 200 is squeezed on at least one edge on both sides to be clamped.

Preferably, in the step of causing the opposite sides of the pulp bale to move relative to each other, the two sides of the pulp bale 200 are reciprocally driven by the reciprocating motion of the splint 101 and its friction part 102 . In this way, the pulp bale 200 is loosely packed by reciprocating up and down displacement, twisting and pressing of the pulp bale 200 .

The invention is to reduce the energy consumption of the original pulp pulper of the papermaking stock preparation line. The technology separates the adjacent pulp sheets in a complete pulp package by moving each other, so that the pulp has been separated before entering the pulper. The pulp sheets in the pulp bale are relatively dispersed as far as possible, and the dispersed pulp bale can be quickly separated and disintegrated after entering the pulper, so that the pulping time can be reduced, or the rotation speed of the rotor can be reduced, so that the energy consumption is lower than that of the traditional feeder. The feeding method saves at least 10%, and because of the dispersed feeding, the impact on the rotor of the equipment is reduced, and the service life of the equipment is prolonged.

Description of drawings

Fig. 1 schematically shows an embodiment of the pulp bag disperser of the present invention;

Fig. 2 schematically shows the situation that the pulp bale disperser of the present invention causes relative movement on both sides of the pulp bale.

detailed description

Fig. 1 schematically shows an embodiment of the pulp bale disperser of the present invention. As shown in Fig. 1 , the pulp bale disperser 100 provided by the present invention is used for dismantling the pulp bale on the pulp bale transport route 300. The pulp bale 200, wherein the pulp bale opener 100 includes a pair of clamping plates 101, the clamping plates 101 are arranged to be able to grip and lift the pulp bale 200 from both sides of the pulp bale 200 and make the two sides of the pulp bale 200 face each other sports. Here, only the case where the pulp bales 200 are gripped from the left and right sides of the pulp bale transport route 300 is shown, but the pulp bales 200 can also be gripped from the front and rear sides of the pulp bale transport route 300 . In the latter case, the cleat 101 needs to leave the pulp bale transport route 300 after dismantling the pulp bale 200 to avoid blocking the further transport of the pulp bale.

Wherein, the splint 101 is provided with a movable friction part 102 on the side facing the pulp bale 200 , the friction part 102 has a sawtooth structure, and the saw teeth of the sawtooth structure are parallel to the pulp plate in the pulp bale clamped by the splint 101 . The friction part 102 is used to drive the two sides of the pulp bale 200 when the clamping plate 101 clamps the pulp bale 200 .

Fig. 2 schematically shows the situation that the pulp bale disperser of the present invention causes relative movement on both sides of the pulp bale. As shown in FIG. 2 , the pulp bale disperser 100 provided by the present invention is dismantling the pulp bale 200 on the pulp bale transportation route 300, wherein the splint 101 and the friction part 102 on one side of the pulp bale disperser 100 are not moving, On the other hand, the splint 101 and its friction part 102 on the other side lift the pulp bale 200 upwards, so that one side of the pulp bale 200 moves relative to the other side, so as to achieve the purpose of separating adjacent pulp plates of the pulp bale 200 from each other.

Both the clamping plate 101 and the friction part 102 of the pulp bale breaker 100 can be driven by an air cylinder.

It can be seen from the above two embodiments that the pulp bale disperser provided by the present invention can separate the adjacent pulp plates in a complete pulp bale by moving each other, so that the pulp has been removed before entering the pulper. The pulp sheets in the pulp bale are relatively dispersed as far as possible, and the dispersed pulp bale can be quickly separated and disintegrated after entering the pulper, so that the pulping time can be reduced, or the rotation speed of the rotor can be reduced, so that the energy consumption is lower than that of the traditional feeder. The feeding method saves at least 10%, and because of the dispersed feeding, the impact on the rotor of the equipment is reduced, and the service life of the equipment is prolonged.

The preferred embodiments of the present invention have been described above, but the spirit and scope of the present invention are not limited to the specific contents disclosed herein. Those skilled in the art can arbitrarily combine and expand the above embodiments according to the teachings of the present invention to make more implementations and applications within the spirit and scope of the present invention. The spirit and scope of the present invention are not limited by the specific embodiments but by the claims.

List of reference signs

100 pulp bag disperser

101 splint

102 The movable friction part on the splint

200 pulp bales

300 Pulp bales transportation routes.

Claims

A pulp bale breaker (100) for breaking pulp bale (200) on a pulp bale transport route (300), characterized in that the pulp bale breaker (100) comprises a pair of splints (101) , the clamping plate (101) is arranged to be able to clamp the pulp bale (200) from opposite sides of the pulp bale (200) and make the opposite sides of the pulp bale (200) move relative to each other ,

Wherein, at least one of the clamping plates (101) is provided with a movable friction part (102) on the side facing the pulp bale (200), and the friction part (102) is used for clamping on the clamping plate (101). The pulp bale (200) drives at least one side of the pulp bale (200).
The pulp bale disperser according to claim 1, wherein the friction part (102) has a sawtooth structure, and the saw teeth of the sawtooth structure are parallel to the pulp bale held by the clamping plate (101). Pulpboard seams in (200).
The pulp bale disperser according to claim 1 or 2, characterized in that, the pulp bale transport route (300) is formed by a chain plate transporter.
The pulp bale breaker according to claim 3, characterized in that, the clamping plate (101) and its friction part (102) are arranged to make the pulp placed on the pulp bale transport route (300) One side of the bale (200) moves upwards while the other side of the pulp bale (200) remains stationary.
The pulp bale breaker according to claim 1 or 2, wherein the clamping plate (101) is arranged to be adapted to lift the pulp bale (200) upwards after clamping the pulp bale (200). ), the clamping plate (101) and its friction part (102) are arranged to move one side of the pulp bale (200) relative to the other side after the pulp bale is lifted upward, and the pulp bale (200) ) remains stationary on the other side.
The pulp bale breaker according to claim 1 or 2, wherein the clamping plate (101) is arranged to be adapted to lift the pulp bale (200) upwards after clamping the pulp bale (200). ), the clamping plate (101) and its friction part (102) are arranged to move the two sides of the pulp bale (200) in opposite directions to each other after the pulp bale (200) is lifted upward.
The pulp bale disperser according to claim 1 or 2, characterized in that, the clamping plate (101) and its friction part (102) are arranged to move in an up-down direction.
The pulp bale disperser according to claim 1 or 2, characterized in that, the clamping plate (101) and its friction part (102) are arranged so as to enable the clamped two parts of the pulp bale (200). The sides are twisted relative to each other.
The pulp bale disperser according to claim 1 or 2, characterized in that, the clamping plate (101) and its friction part (102) are arranged to enable the pulp bale (200) to be clamped between two clamped parts. At least one edge on the side is squeezed.
The pulp bale disperser according to claim 1 or 2, characterized in that, the clamping plate (101) and its friction part (102) are configured to be able to reciprocately drive the pulp bale (200) after clamping the pulp bale (200). Both sides of the pulp bag (200).
A method for bulk bagging of pulp bales, which is used for bulk bagging of pulp bales on a pulp bales conveying route, comprising the following method steps:

providing a pulp bag breaker (100) as claimed in any one of claims 1 to 10;

The pulp bale (200) is clamped and lifted from the opposite sides of the pulp bale (200) by the clamping plates (101) of the pulp bale disperser (100), and the pulp bale (200) clamped above the conveying route (300) of the pulp bale (200);

The opposite sides of the pulp bag (200) are relatively moved through the splint (101) and the friction part (102);

Loosen the clamping plate (101), so that the disassembled pulp plate of the pulp bale (200) falls back to the pulp bale conveying route (300).
The method for unpacking the pulp bale according to claim 11, characterized in that, in the step of causing relative movement on the opposite sides of the pulp bale (200), only one side of the pulp bale (200) is made to move. Movement relative to the other side, leaving the other side of the pulp bag (200) stationary.
The method for unpacking the pulp bale according to claim 11, characterized in that, in the step of causing the opposite sides of the pulp bale (200) to move relative to each other, the two opposite sides of the pulp bale (200) are moved. The sides move in opposite directions from each other.
The method for unpacking the pulp bale according to claim 11, characterized in that, in the step of causing relative movement of the opposite sides of the pulp bale (200), the clamping plate (101) and its friction part ( 102) Movement in the up and down direction.
The method according to claim 11, characterized in that, in the step of making the opposite sides of the pulp bales (200) move relative to each other, through the clamping plate (101) or the friction part (102) ), so that the clamped sides of the pulp bag (200) are twisted relative to each other.
The method according to claim 11, characterized in that, in the step of making the opposite sides of the pulp bales (200) move relative to each other, through the clamping plate (101) or the friction part (102) ), so that at least one edge of the pulp bag (200) on the clamped sides is squeezed.
The method according to claim 11, characterized in that, in the step of causing relative movement on the opposite sides of the pulp bale (200), the clamping plate (101) and its friction part ( The reciprocating motion of 102) reciprocally drives both sides of the pulp bag (200).