CN110804894B

CN110804894B - Paper pulp dewatering equipment

Info

Publication number: CN110804894B
Application number: CN201911112955.5A
Authority: CN
Inventors: 李文斌
Original assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Current assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2021-01-08
Anticipated expiration: 2039-11-14
Also published as: CN110804894A

Abstract

The invention discloses paper pulp dewatering equipment, which comprises a base, wherein a backlog assembly, a shaping assembly and a winding assembly are sequentially arranged on the base from front to back, the backlog assembly comprises two groups of supports, the two groups of supports are respectively provided with an electric lifting seat, a back roll is rotatably arranged between the two groups of electric lifting seats, the back roll is driven to rotate by a driving motor, and squeezing rolls matched with the back roll are rotatably arranged at the front end and the back end between the two groups of supports through sealing bearings; according to the invention, the back roll and the press roll are matched to carry out backlog dehydration on paper sheets passing through the back roll and the press roll, the water removed by the suction force of the water suction pump enters the capillary layer of the press roll, passes through the water permeable channel to the hollow shaft and is absorbed by the water suction pump, so that secondary moisture of the paper sheets caused by a large amount of residual water on the press roll is avoided, and after backlog dehydration, the paper sheets pass through the sizing assembly, and hot air is blown onto the paper sheets through the air permeable holes, so that the paper sheets are dried and rapidly sized.

Description

Paper pulp dewatering equipment

Technical Field

The invention relates to the technical field of papermaking equipment, in particular to paper pulp dewatering equipment.

Background

Dehydration is an essential procedure in the paper sheet forming process, and the main function of the dehydration is to remove part of water in wet paper sheets and solidify the paper sheets, how to rapidly remove the water in the wet paper sheets, and how to reasonably roll the paper sheets is a problem which needs to be considered and solved in dehydration research;

the dewatering part of the existing paper machine mostly adopts a flat press roll to press and dewater paper sheets, and due to the characteristics of the flat press roll, water after pressing is easy to remain on the roll and then is absorbed by the paper sheets, so that the dewatering effect is not good enough, the efficiency is low, and in the prior art, the paper sheets cannot be quickly shaped after dewatering, are easy to deform and damage, and have poor quality, so the invention provides paper pulp dewatering equipment to solve the problems in the prior art.

Disclosure of Invention

In order to solve the problems, the invention provides paper pulp dewatering equipment, which solves the technical problems that in the prior art, after dewatering, rapid shaping cannot be realized, paper sheets are easy to deform and damage, and the quality is poor.

In order to solve the problems, the invention provides paper pulp dewatering equipment which comprises a base, wherein a pressure accumulation assembly, a shaping assembly and a winding assembly are sequentially arranged on the base from front to back, the pressure accumulation assembly comprises two groups of supports, electric lifting seats are respectively arranged on the two groups of supports, a back roll is rotatably arranged between the two groups of electric lifting seats, the back roll is driven to rotate by a driving motor, squeezing rolls matched with the back roll are rotatably arranged at the front end and the back end between the two groups of supports through sealing bearings, each squeezing roll comprises a hollow shaft and a sealing glue layer, a sealing glue layer is arranged outside the hollow shaft, a capillary layer is arranged outside the sealing glue layer, a water permeable channel is arranged in the sealing glue layer, and water permeable holes communicated with the water permeable channel are formed in the hollow shaft.

As a preferred scheme of the invention, one side of the base is provided with a water suction pump, a group of supports are provided with holes communicated with the hollow shaft, and the input end of the water suction pump is communicated with the holes through a conduit.

As a preferred scheme of the invention, the shaping assembly comprises a drying seat and a dewatering plate, the dewatering plate is mounted above the drying seat through a support rod, a heating pipe is arranged in the drying seat, a fan is arranged at the bottom in the drying seat, a ventilation hole is arranged at the middle position on the dewatering plate, notches are formed in the front side and the rear side of the dewatering plate, and supporting rollers are rotatably mounted in the notches.

As a preferable scheme of the invention, the winding component comprises two groups of support plates and a winding drum, the winding drum is rotatably arranged between the two groups of support plates, and two groups of L-shaped support arms are arranged at the rear position of the support plates.

According to a preferable scheme of the invention, the two groups of L-shaped support arms are hinged with rotating arms, a press roller is rotatably arranged between the two groups of rotating arms, one ends of the L-shaped support arms and the rotating arms are connected with springs, and water-absorbing felt is arranged outside the press roller.

As a preferable scheme of the present invention, one side of the group of support plates is provided with a rotating motor and a speed reducer, an output end of the rotating motor is connected with the speed reducer, and an output end of the speed reducer is connected with the winding drum.

The invention has the beneficial effects that:

according to the invention, the paper sheets passing through the back roll and the press roll are subjected to pressure dehydration by matching the back roll and the press roll, the water removed enters the capillary layer of the press roll by utilizing the suction force of the water suction pump, passes through the water permeable channel to the hollow shaft and is absorbed by the water suction pump, so that the secondary moisture of the paper sheets caused by a large amount of residual water on the press roll is avoided, and after the pressure dehydration, the paper sheets pass through the dehydration plate, the hot air of the heating pipe is blown onto the paper sheets by the fan through the air permeable holes, so that the paper sheets are dried and rapidly shaped.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of a backlog assembly of the present invention;

FIG. 3 is a schematic view of a press roll of the present invention;

FIG. 4 is a schematic view of a styling assembly of the present invention;

fig. 5 is a schematic view of the winding assembly of the present invention.

Wherein: 1-a base; 2-a backlog component; 3-a shaping component; 4-a winding component; 5-support; 6-electric lifting seat; 7-back roll; 8-driving a motor; 9-pressing roll; 10-a hollow shaft; 11-a sealant layer; 12-capillary layer; 13-water-permeable channels; 14-a water suction pump; 15-a catheter; 16-drying seat; 17-a dewatering plate; 18-a heating tube; 19-a fan; 20-ventilation holes; 21-supporting rolls; 22-a support plate; 23-winding the roll; a 24-L-shaped support arm; 25-a rotating arm; 26-a press roll; 27-a spring; 28-water absorbent felt; 29-a rotating electrical machine; 30-speed reducer.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 5, the embodiment discloses a pulp dewatering device, which comprises a base 1, wherein a backlog component 2, a shaping component 3 and a winding component 4 are sequentially arranged on the base 1 from front to back, the backlog component 2 comprises two groups of supports 5, the supports 5 are provided with two groups, and the two groups of supports 5 are both provided with electric lifting seats 6, back rollers 7 are rotatably arranged between the two groups of electric lifting seats 6, the back roll 7 is driven to rotate by a driving motor 8, the model of the driving motor 8 is PDH160312, the front end and the rear end between the two groups of supports 5 are respectively and rotatably provided with a pressing roll 9 matched with the back roll 7 through a sealing bearing, the pressing roll 9 comprises a hollow shaft 10 and a sealant layer 11, the sealant layer 11 is arranged outside the hollow shaft 10, and the capillary layer 12 is arranged outside the sealant layer 11, the water permeable channel 13 is arranged in the sealant layer 11, and the hollow shaft 10 is provided with water permeable holes communicated with the water permeable channel 13. When the paper pressing machine is used, the back roll 7, the pressing roll 9 and the distance are adjusted properly through the electric lifting seat, then paper passes through the space between the back roll 7 and the pressing roll 9, the back roll 7 is driven to rotate by the driving motor, and the back roll 7 and the pressing roll 9 are matched to perform overstock dehydration on paper.

One side of the base 1 is provided with a water suction pump 14, a group of supports 5 are provided with holes communicated with the hollow shaft 10, and the input end of the water suction pump 14 is communicated with the holes through a conduit 15. The water which is removed by the suction force of the water suction pump 14 enters the capillary layer 12 of the press roll 9 and is absorbed by the water suction pump 14 through the water permeable channel 13 to the hollow shaft 10, so that the secondary moisture of the paper which is caused by a large amount of residual water on the press roll 9 is avoided.

The design subassembly 3 includes stoving seat 16 and dehydration board 17, and dehydration board 17 is installed through branch in the stoving seat 16 top, and the inside heating pipe 18 that is equipped with of stoving seat 16, and the inside bottom of stoving seat 16 is equipped with fan 19, and intermediate position department on the dehydration board 17 is equipped with ventilative hole 20, and the front and back side on the dehydration board 17 all is equipped with the notch, and backing roll 21 is installed to the notch internal rotation. After overstock dehydration, the paper passes through the dehydration plate 17, and the fan 19 blows the hot air of the heating pipe 18 to the paper through the ventilation hole 20, so that the paper can be dried and rapidly shaped.

The winding component 4 comprises two groups of support plates 22 and two winding drums 23, the two groups of support plates 22 are rotatably provided with the winding drums 23, and two groups of L-shaped support arms 24 are arranged at the rear positions of the support plates 22. The winding drum 23 rotates to wind the set paper.

Rotating arms 25 are hinged below the two groups of L-shaped support arms 24, a pressing roller 26 is rotatably mounted between the two groups of rotating arms 25, one ends of the L-shaped support arms 24 and the rotating arms 25 are connected with a spring 27, and a water-absorbing felt 28 is arranged outside the pressing roller 26. The compression roller 26 is tightly attached to the winding drum 23 by the action of the spring 27, so that the paper is regularly wound, and the matched water absorption felt 28 absorbs the water possibly remained on the wound paper again.

One side of one group of support plates 22 is provided with a rotating motor 29 and a speed reducer 30, the model number of the rotating motor 29 is Y90S-2, the output end of the rotating motor 29 is connected with the speed reducer 30, and the output end of the speed reducer 30 is connected with the winding drum 23. The rotating speed of the winding drum 23 is slower than that of the back roller 7 driven by the driving motor 8, so that a certain buffer space is provided during winding, and the paper is prevented from being damaged due to too tight stretching.

The paper sheet that this papermaking used overstock dewatering device cooperatees through backing roll 7 and squeeze roll 9 and carries out the overstock dehydration to the paper sheet through between the two, utilize the suction of suction pump 14, the water that deviates from gets into the capillary layer 12 of squeezing roll 9, utilize through the passageway 13 that permeates water to hollow shaft 10, absorbed by suction pump 14, avoid remaining in a large number on squeezing roll 9 and cause the paper sheet secondary to wet, and after the overstock dehydration, the paper passes through dehydration board 17, fan 19 blows the hot-blast of heating pipe 18 to the paper through ventilative hole 20, be convenient for to the quick design of paper drying, simultaneously, utilize the paper roll-up after the design of take-up drum 23, whole process one part is in place, high efficiency, and make the paper roll-up regular through compression roller 26, absorb the moisture that probably remains on the rolled paper again at cooperation water absorption coarse cotton 28, guarantee paper quality.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pulp dewatering apparatus comprising a base (1), characterized in that: the base (1) is sequentially provided with a backlog assembly (2), a sizing assembly (3) and a winding assembly (4) from front to back, the backlog assembly (2) comprises a support (5), the support (5) is provided with two groups, the two groups of support (5) are respectively provided with an electric lifting seat (6), a back roll (7) is rotatably arranged between the two groups of electric lifting seats (6), the back roll (7) is driven to rotate by a driving motor (8), the front end and the rear end between the two groups of support (5) are respectively rotatably provided with a squeezing roll (9) matched with the back roll (7) through a sealing bearing, the squeezing roll (9) comprises a hollow shaft (10) and a sealing glue layer (11), a sealing glue layer (11) is arranged outside the hollow shaft (10), a capillary layer (12) is arranged outside the sealing glue layer (11), a water permeable channel (13) is arranged in the sealing glue layer (11), the hollow shaft (10) is provided with a water permeable hole communicated with the water permeable channel (13);

a water suction pump (14) is arranged on one side of the base (1), holes communicated with the hollow shaft (10) are formed in one group of the supports (5), and the input end of the water suction pump (14) is communicated with the holes through a guide pipe (15);

the drying and drying integrated machine is characterized in that the shaping assembly (3) comprises a drying seat (16) and a dewatering plate (17), the dewatering plate (17) is installed above the drying seat (16) through a support rod, a heating pipe (18) is arranged inside the drying seat (16), a fan (19) is arranged at the bottom inside the drying seat (16), ventilating holes (20) are formed in the middle position of the dewatering plate (17), notches are formed in the front side and the rear side of the dewatering plate (17), and supporting rollers (21) are installed in the notches in a rotating mode.

2. A pulp dewatering apparatus according to claim 1, characterized in that: the winding assembly (4) comprises support plates (22) and winding drums (23), the support plates (22) are provided with two groups, the winding drums (23) are rotatably mounted between the support plates (22), and two groups of L-shaped support arms (24) are arranged at the rear positions of the support plates (22).

3. A pulp dewatering apparatus according to claim 2, characterized in that: two sets of equal articulated rotor arm (25) of installing under L type support arm (24), and two sets of rotate between rotor arm (25) and install compression roller (26), L type support arm (24) are connected with spring (27) with the one end of rotor arm (25), compression roller (26) are equipped with outer felt (28) that absorb water.

4. A pulp dewatering apparatus according to claim 2, characterized in that: one side of the support plate (22) is provided with a rotating motor (29) and a speed reducer (30), the output end of the rotating motor (29) is connected with the speed reducer (30), and the output end of the speed reducer (30) is connected with the winding drum (23).