阅读说明：本技术 一种高强度壁纸原纸生产的纸浆脱水工艺及装置 (Paper pulp dehydration process and device for production of high-strength wallpaper base paper ) 是由 陈建斌 胡丁根 杨刚 郑宏亮 沙力争 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种高强度壁纸原纸生产的纸浆脱水工艺及装置,包括脱水机架,所述脱水机架上连接有上压辊和下压辊,所述上压辊外侧套接有靴套,且靴套与下辊之间设有两个隔离毛毯,所述上压辊内部设有对靴套施压的加压件,且加压件一侧设有顶出组件,所述靴套外侧设有从靴套外侧将粘附的原纸浆刮出的刮动组件,本发明利用所设的加压件对原纸浆进行靴压脱水,在脱水时,通过启动所设的顶出组件从靴套内部进行顶出,将粘附在靴套外表面处的原纸浆顶出,同时通过刮动组件共同作用,便于从靴套外侧将原纸浆进行刮动处理,便于靴压过程中粘附在靴套外表面处的原纸浆刮出,减少原纸浆在脱水过程中出现的损坏。(The invention discloses a paper pulp dehydration process and a device for producing high-strength wallpaper base paper, which comprises a dehydration rack, wherein an upper compression roller and a lower compression roller are connected onto the dehydration rack, a shoe sleeve is sleeved on the outer side of the upper compression roller, two isolation blankets are arranged between the shoe sleeve and a lower roller, a pressurizing piece for pressurizing the shoe sleeve is arranged in the upper compression roller, an ejection component is arranged on one side of the pressurizing piece, and a scraping component for scraping adhered base paper pulp from the outer side of the shoe sleeve is arranged on the outer side of the shoe sleeve. The damage of the raw pulp in the dewatering process is reduced.)

1. The utility model provides a paper pulp dewatering device of high strength wall paper body paper production, includes dehydration frame (1), be connected with compression roller (2) and lower compression roller (3) on dehydration frame (1), last compression roller (2) outside has cup jointed shoe cover (4), and is equipped with two isolation woollen blanket (5), its characterized in that between shoe cover (4) and the lower roll: the inner part of the upper pressing roller (2) is provided with a pressurizing piece (6) for pressurizing the boot sleeve (4), one side of the pressurizing piece (6) is provided with an ejection component (7) for ejecting the base paper pulp adhered to the surface of the boot sleeve (4) from the inner part, and the outer side of the boot sleeve (4) is provided with a scraping component (8) for scraping the adhered base paper pulp from the outer side of the boot sleeve (4).

2. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 1, characterized in that: pressure member (6) are including installing crossbeam board (9) in last compression roller (2) bottom, be equipped with on crossbeam board (9) and extrude arc groove (10), crossbeam board (9) top is equipped with fixed mounting board (11), and fixed mounting board (11) both sides are connected with last compression roller (2), fixed mounting board (11) bottom is connected with a plurality of cylinders (12), and a plurality of cylinders (12) output is connected with boots shape and adds briquetting (13), boots shape adds briquetting (13) bottom and slides and run through and extrude arc groove (10).

3. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 2, characterized in that: ejector assembly (7) is including setting up down tube (14) in fixed mounting panel (11) bottom, down tube (14) are equipped with a plurality ofly, and connect articulated branch (15) on down tube (14), articulated branch (15) top articulates there is articulated seat (16), and articulated seat (16) are connected with fixed mounting panel (11) bottom, down tube (14) one end is connected with roller (17) of jack-up boots cover (4), and down tube (14) other end is connected with driving medium (18) that drive down tube (14) motion.

4. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 3, characterized in that: the transmission part (18) comprises a transmission motor (19) arranged at the top of a fixed mounting plate (11), the output end of the transmission motor (19) is connected with a rotating shaft (20), a driving gear (21) is sleeved outside the rotating shaft (20), two ends of the bottom of the fixed mounting plate (11) are respectively connected with two connecting plates (22), a driven shaft (23) is connected between the two connecting plates (22), a plurality of driven gears (24) matched with the driving gear (21) are sleeved outside the driven shaft (23), an arc-shaped transmission belt (25) is sleeved between the driving gear (21) and the driven gears (24) matched with each other, a plurality of arc-shaped through grooves (26) are arranged on the fixed mounting plate (11), one end of the arc-shaped transmission belt (25) slidably penetrates through the arc-shaped through grooves (26), and a shaping arc block (27) is arranged, and both sides of the shaping arc block (27) are connected with the bottom of the fixed mounting plate (11), a moving block (28) is connected to the outer side of the arc-shaped transmission belt (25), and the moving block (28) is hinged with one end of the inclined rod (14).

5. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 4, characterized in that: the hinged point of the hinged seat (16) is superposed with the circle center of the arc-shaped transmission belt (25).

6. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 1, characterized in that: scrape subassembly (8) including installing scraping motor (29) in dehydration frame (1) one side, scrape motor (29) output and be connected with scraping axle (30), and scrape the axle (30) outside and be connected with a plurality of arc pieces (31) of scraping, scrape arc piece (31) and the contact of boots cover (4) outside, it blows piece (32) to be equipped with the body paper thick liquid blow-off of being convenient for to scraping to scrape axle (30) top.

7. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 6, characterized in that: blow and move piece (32) including installing in dehydration frame (1) one side air pump (33), and air pump (33) are located and keep away from dehydration frame (1) one side of scraping motor (29), air pump (33) output intercommunication has breather pipe (34), and breather pipe (34) are located and scrape moving shaft (30) top, breather pipe (34) one end is connected with dehydration frame (1), and breather pipe (34) outside is equipped with a plurality of air vents (35).

8. The pulp dewatering device for producing the high-strength wallpaper base paper as claimed in claim 1, characterized in that: the dewatering machine frame (1) is connected with a water collecting box (36), and the water collecting box (36) is positioned at the bottom of the isolation blanket (5).

9. The pulp dewatering process for producing high-strength wallpaper base paper according to claims 1-8: the method is characterized in that: the method comprises the following steps:

a: spraying and net forming of the original paper pulp;

b: guiding the base paper pulp formed by screen spraying into a dewatering rack (1), conveying the base paper pulp to a shoe cover (4) through a transmission device of the dewatering rack (1), pressing the shoe cover (4) by using a pressing piece (6), and pressing water in the base paper pulp by using shoe pressing between the shoe cover (4) and a lower pressing roll (3);

c: after the shoe pressing is finished, the outer surface of the shoe sleeve (4) is treated through the ejection assembly (7) and the scraping assembly (8), so that the raw paper pulp is prevented from being adsorbed and separated after being extruded and dehydrated;

d: and (5) drying.

Technical Field

The invention relates to the technical field of papermaking devices, in particular to a paper pulp dehydration process and a paper pulp dehydration device for producing high-strength wallpaper base paper.

Background

Modern paper making processes can be divided into the main steps of pulping, modulation, papermaking, processing and the like. After the wet paper web is drawn out from the couch roll of the wire part, the wet paper web usually contains about 80% of moisture, the strength is not high, if the wet paper web is directly sent to the drying part for drying, a large amount of steam is consumed, the broken ends are easily caused in the drying part because of the poor strength of the wet paper web, and meanwhile, the paper dried in the way is loose, rough in surface and poor in strength. Further dewatering by mechanical pressing improves sheet dryness. Meanwhile, the tightness and the strength of the paper are increased, and the surface property (such as smoothness) of the paper is improved. Mechanical press dewatering is economically relatively cost effective. The paper machine press section improves 1% dryness more. The dryer section steam consumption is reduced by 5%. In this sense, the press section should be as low as possible to remove water. By adopting the novel composite pressing, the dryness of the wet paper sheet out of the pressing part can reach 48-50%. The wet paper web from the wire section must be mechanically pressed in the press section and then sent to the dryer section.

The existing high-strength wallpaper base paper production process needs to perform press dehydration treatment on base paper pulp, the existing treatment modes comprise belt type dehydration, spiral type dehydration and boot type dehydration modes, wherein boot type dehydration is mutually extruded through a boot press roll and a lower press roll to extrude water at the base paper pulp, the bottom of the boot press roll is provided with a groove area matched with the lower press roll, the dehydration area and the dehydration efficiency are increased, the shoe dehydration mode is a more efficient dehydration mode in the existing paper pulp dehydration, during the boot type dehydration treatment, a boot press block inside the boot press roll is used for pressing a boot sleeve, water is extruded through the pressing action of the boot sleeve and the lower press roll, but wet base paper pulp has certain viscosity, the base paper pulp is easily adhered to a concave part on the outer surface of the boot sleeve through a fur spacer in the extrusion process, and the damage of the base paper pulp after dehydration is caused, therefore, a paper pulp dehydration process and a device for producing high-strength wallpaper base paper are provided.

Disclosure of Invention

The invention aims to provide a paper pulp dehydration process and a paper pulp dehydration device for producing high-strength wallpaper base paper, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a paper pulp dewatering device of high strength wall paper body paper production, includes the dehydration frame, be connected with compression roller and lower compression roller in the dehydration frame, it has cup jointed the boots cover to go up the compression roller outside, and is equipped with two isolation woollens between boots cover and the lower roll, it is equipped with the pressurization piece of exerting pressure to the boots cover to go up the compression roller inside, and pressurization piece one side is equipped with from inside with the ejecting subassembly of the body paper thick liquid of boots cover surface adhesion, the boots cover outside is equipped with scrapes the subassembly of scraping the body paper thick liquid of adhesion from the boots cover outside, is favorable to pressing when carrying out the extrusion holding in the palm water to body paper thick liquid at boots, is convenient for scrape out the body paper thick liquid of.

Preferably, the pressure member is including installing the crossbeam board in last compression roller bottom, be equipped with on the crossbeam board and extrude the arc groove, crossbeam board top is equipped with fixed mounting panel, and fixed mounting panel both sides are connected with last compression roller, the fixed mounting panel bottom is connected with a plurality of cylinders, and a plurality of cylinder outputs are connected with boots shape and add the briquetting, the arc groove is extruded in the slip run-through of boots shape pressurization piece bottom, is favorable to exerting pressure through the cylinder, extrudes the boots shape briquetting.

Preferably, ejecting subassembly is including setting up the down tube in fixed mounting panel bottom, the down tube is equipped with a plurality ofly, and connects articulated branch on the down tube, articulated branch top articulates there is articulated seat, and articulated seat is connected bottom the fixed mounting panel, down tube one end is connected with the roller of jack-up boots cover, and the down tube other end is connected with the driving medium that drives the motion of down tube, is favorable to ejecting at the boots cover internal surface through the roller.

Preferably, the transmission part comprises a transmission motor arranged at the top of the fixed mounting plate, the output end of the transmission motor is connected with a rotating shaft, and the outer side of the rotating shaft is sleeved with a driving gear, two ends of the bottom of the fixed mounting plate are respectively connected with two connecting plates, a driven shaft is connected between the two connecting plates, a plurality of driven gears matched with the driving gear are sleeved on the outer side of the driven shaft, an arc-shaped transmission belt is sleeved between the driving gear and the driven gear matched with each other, a plurality of arc-shaped through grooves are arranged on the fixed mounting plate, one end of the arc-shaped transmission belt penetrates through the arc-shaped through groove in a sliding manner, a shaping arc block is arranged on the inner side of the arc-shaped transmission belt, and both sides of the shaping arc block are connected with the bottom of the fixed mounting plate, the outer side of the arc-shaped transmission belt is connected with a moving block, the moving block is hinged with one end of the inclined rod, and the shaping arc block is convenient for keeping the appearance of the arc-shaped transmission belt.

Preferably, the hinge point of the hinge seat is overlapped with the circle center of the arc-shaped transmission belt, so that the rotation integrity of the inclined rod can be kept.

Preferably, scrape the subassembly including installing the motor of scraping in dehydration frame one side, scrape the motor output and be connected with the scraping axle, and scrape the axle outside and be connected with a plurality of arcs of scraping, scrape arc and the contact of the leg of a boot outside, it is equipped with the piece of blowing that is convenient for blow off the body paper thick liquid of scraping to scrape the moving axle top, is convenient for will scrape out the body paper of adhesion from the leg of a boot outside.

Preferably, blow and move the piece including installing at dehydration frame one side air pump, and the air pump is located and keeps away from the dehydration frame one side of scraping the motor, air pump output intercommunication has the breather pipe, and the breather pipe is located scrapes the moving axis top, breather pipe one end is connected with the dehydration frame, and is equipped with a plurality of blow vents in the breather pipe outside, is favorable to blowing out the body paper thick liquid after will scraping through the blow vent, avoids the body paper thick liquid adhesion on the boot cover surface.

Preferably, the dewatering rack is connected with a water collecting box, and the water collecting box is positioned at the bottom of the isolation blanket, so that water squeezed out by the collecting shoe is convenient to collect.

A paper pulp dehydration process for producing high-strength wallpaper base paper comprises the following steps:

a: spraying and net forming of the original paper pulp;

b: guiding the base paper pulp formed by the screen spraying into a dewatering rack, conveying the base paper pulp to a shoe sleeve through a transmission device of the dewatering rack, pressing the shoe sleeve at a pressing position by using a pressing piece, and pressing water in the base paper pulp by using shoe pressing between the shoe sleeve and a lower pressing roller;

c: after the shoe pressing is finished, the outer surface of the shoe sleeve is treated through the ejection assembly and the scraping assembly, so that the raw paper pulp is prevented from being adsorbed and separated after the raw paper pulp is extruded and dehydrated;

d: and the drying treatment is favorable for removing most of water in the original paper pulp in a shoe pressing mode before the drying treatment, so that the strength of the base paper is convenient to maintain.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, in the production process of the high-strength base paper, the base paper pulp is conveniently shaped after being processed and driven to move by the transmission equipment on the existing dehydration rack, when the base paper pulp moves to the upper pressing roller and the lower pressing roller, the base paper pulp is subjected to shoe press dehydration by the aid of the arranged pressurizing piece, and when the base paper pulp is dehydrated, the arranged ejecting component is started to eject the base paper pulp adhered to the outer surface of the shoe sleeve, and simultaneously, the base paper pulp is conveniently scraped from the outer side of the shoe sleeve under the combined action of the scraping components, so that the base paper pulp adhered to the outer surface of the shoe sleeve in the shoe press process is scraped, and the damage of the original paper pulp in the dehydration process is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the left side of the present invention;

FIG. 3 is a schematic view of the present invention in partial cutaway configuration;

FIG. 4 is a schematic view of a partial cut-away configuration of the bootleg of the present invention;

FIG. 5 is a schematic view of the structure of the ejector assembly and the pressing member of the present invention;

FIG. 6 is a side view of the structure of FIG. 5;

FIG. 7 is a schematic structural view of the front side of FIG. 5 with the upper platen removed;

FIG. 8 is a schematic view of the structure of the transmission member of the present invention;

FIG. 9 is a bottom view of the structure of FIG. 8;

FIG. 10 is a schematic view of the structure of the diagonal member of the present invention.

In the figure: 1-a dewatering frame; 2-upper press roll; 3-pressing the roller; 4-boot sleeves; 5-isolating the blanket; 6-a pressing member; 7-an ejection assembly; 8-a scraping component; 9-beam plate; 10-extruding an arc groove; 11-fixing the mounting plate; 12-a cylinder; 13-a boot-shaped pressurizing block; 14-a diagonal rod; 15-a hinged strut; 16-a hinged seat; 17-a roller; 18-a transmission member; 19-a drive motor; 20-a rotating shaft; 21-a drive gear; 22-a connecting plate; 23-a driven shaft; 24-a driven gear; 25-arc shaped transmission belt; 26-arc through groove; 27-shaping the arc block; 28-a moving block; 29-a scraping motor; 30-a scraping shaft; 31-scraping arc sheet; 32-a blowing member; 33-an air pump; 34-a vent pipe; 35-a vent; 36-water collecting box.

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.

Referring to fig. 1-10, the present invention provides a technical solution: a paper pulp dehydration device for producing high-strength wallpaper base paper solves the problem that when shoe press dehydration is adopted in high-strength wallpaper base paper production dehydration, base paper pulp adheres to the outer side of a shoe sleeve 4 and is inconvenient to scrape out, and the base paper pulp is damaged, the design in the scheme comprises a dehydration rack 1, the dehydration rack 1 is existing equipment, only a part of the dehydration rack 1 located in the shoe press part is shown in a drawing of the scheme, the dehydration rack 1 is installed at a ground position, an upper compression roller 2 and a lower compression roller 3 are connected to the dehydration rack 1, the upper compression roller 2 is fixedly connected with the dehydration rack 1 and is in a static state, the lower compression roller 3 is connected with a transmission device of the dehydration rack 1 and can rotate, the shoe sleeve 4 is sleeved on the outer side of the upper compression roller 2, two isolation blankets 5 are arranged between the shoe sleeve 4 and a lower roller, the base paper pulp is formed by screen spraying, the formed base paper pulp is driven to move to the isolation blankets 5 by the transmission device of the dehydration rack, the upper press roll 2 is internally provided with a pressurizing piece 6 for pressurizing the shoe cover 4, one side of the pressurizing piece 6 is provided with an ejection component 7 for ejecting the base paper pulp adhered to the surface of the shoe cover 4 from the inside, and the outer side of the shoe cover 4 is provided with a scraping component 8 for scraping the adhered base paper pulp from the outer side of the shoe cover 4.

After the high-strength wallpaper base pulp is stirred, the base pulp is sprayed and formed through a net spraying device, so that the pulp can be conveniently shaped, after the base pulp is shaped, the base pulp is conveyed to an isolation blanket 5 between an upper press roller 2 and a lower press roller 3 through a transmission device at a dewatering rack 1, because the bottom of the upper press roller 2 is provided with a groove surface, the contact area between the upper press roller 2 and the lower press roller 3 can be conveniently increased, meanwhile, the two ends of a shoe sleeve 4 sleeved outside the upper press roller 2 are rotatably connected with the two end surfaces of the upper press roller 2, an oil spraying device is arranged between the existing shoe sleeve 4 and the upper press roller 2, so that the friction force between the shoe sleeve 4 and the upper press roller 2 can be conveniently reduced, the shoe sleeve 4 is used for extruding the isolation blanket 5 and the base pulp at the lower press roller 3 by utilizing a pressurizing piece 6, because the friction force between the shoe sleeve 4 and the upper press roller 2 is close to zero, and simultaneously, the lower press roller, make the boot cover 4 can rotate along last compression roller 2 both ends department, the boot cover 4 here adopts flexible material, be convenient for rotate along last compression roller 2, the indent vamp that exists between last compression roller 2 and the lower compression roller 3 of here, be convenient for increase the area of contact between boot cover 4 and the lower compression roller 3, the dehydration efficiency and the dehydration area of former paper pulp have been improved, after dewatering simultaneously, be convenient for ejecting certain distance with boot cover 4 from inside through the ejecting subassembly 7 that establishes, be favorable to ejecting the body paper thick liquid of adhesion in boot cover 4 surface department, the subassembly 8 of scraping that sets up in boot cover 4 surface department simultaneously is convenient for scrape out the body paper thick liquid of adhesion in boot cover 4 surface department, reduce the destruction that former paper pulp appears in the dehydration in-process.

In the scheme, the pressurizing part 6 comprises a cross beam plate 9 arranged at the bottom of an upper press roll 2, an extrusion arc groove 10 is arranged on the cross beam plate 9, the radian of the extrusion arc groove 10 at the position is matched and attached with the radian of a lower press roll 3 at the bottom, a fixed mounting plate 11 is arranged at the top of the cross beam plate 9, a plurality of support rods for connection are welded at two sides of the fixed mounting plate 11 at the position, the support rods are welded and fixed with an arc spherical surface at the top of the upper press roll 2 through the support rods, two sides of the fixed mounting plate 11 are connected with the upper press roll 2, a plurality of cylinders 12 are connected at the bottom of the fixed mounting plate 11, the output ends of the cylinders 12 are connected with shoe-shaped pressurizing blocks 13, the bottoms of the shoe-shaped pressurizing blocks 13 slide to penetrate through the extrusion arc groove 10, and in the dehydration process, when the body paper pulp is transported to the isolating blankets 5 at the positions of the upper press roll 2 and the lower press, under the output power of cylinder 12, boots shape adds briquetting 13 and pushes down the motion to extruding arc groove 10 and pressurize boots cover 4, because former paper pulp transportation is in isolation woollen blanket 5 department, simultaneously at the interior concave surface radian of last compression roller 2 bottom and the mutual matching of compression roller 3 down, be convenient for increase former paper pulp area of contact between boots cover 4 and lower compression roller 3, improve the efficiency of extruding the dehydration, boots shape adds briquetting 13 downstream, be convenient for keep the same radian with boots cover 4 and extrude with compression roller 3 down, because under the lubricating oil effect between boots cover 4 and the last compression roller 2, reduce frictional force, when compression roller 3 extrudees boots cover 4 down, be convenient for rotate boots cover 4 along last compression roller 2 both ends department, be convenient for continuously extrude the dehydration to the body paper thick liquid.

In the scheme, the ejection assembly 7 comprises a plurality of inclined rods 14 arranged at the bottom of a fixed mounting plate 11, a plurality of inclined rods 14 are arranged, hinged support rods 15 are connected to the inclined rods 14, hinged seats 16 are hinged to the tops of the hinged support rods 15, the hinged seats 16 are connected to the bottom of the fixed mounting plate 11, one end of each inclined rod 14 is connected with a roller 17 for ejecting a boot sleeve 4, the other end of each inclined rod 14 is connected with a transmission piece 18 for driving the inclined rods 14 to move, each transmission piece 18 comprises a transmission motor 19 arranged at the top of the fixed mounting plate 11, the output end of the transmission motor 19 is connected with a rotating shaft 20, a driving gear 21 is sleeved on the outer side of the rotating shaft 20, two connecting plates 22 are respectively connected to two ends of the bottom of the fixed mounting plate 11, a driven shaft 23 is connected between the two connecting plates 22, and a, the arc-shaped transmission belt 25 is sleeved between the driving gear 21 and the driven gear 24, the fixed mounting plate 11 is provided with a plurality of arc-shaped through grooves 26, one end of the arc-shaped transmission belt 25 slides to penetrate through the arc-shaped through grooves 26, the inner side of the arc-shaped transmission belt 25 is provided with a shaping arc block 27, two sides of the shaping arc block 27 are connected with the bottom of the fixed mounting plate 11, the outer side of the arc-shaped transmission belt 25 is connected with a moving block 28, and the moving block 28 is hinged to one end of the inclined rod.

The specific operation process comprises the following steps: in the dewatering process, when the raw paper pulp is transported to the isolation blanket 5 at the upper press roll 2 and the lower press roll 3, the cylinder 12 is used, the output end of the cylinder 12 is fixedly connected with the shoe-shaped pressing block 13, under the output power of the cylinder 12, the shoe-shaped pressing block 13 moves downwards to the extrusion arc groove 10 to press the shoe cover 4, the raw paper pulp is transported to the isolation blanket 5, the radian of the inner concave surface at the bottom of the upper press roll 2 is matched with that of the lower press roll 3, the contact area of the raw paper pulp between the shoe cover 4 and the lower press roll 3 is convenient to increase, the extrusion dewatering efficiency is improved, the shoe-shaped pressing block 13 moves downwards, the shoe cover 4 is convenient to be extruded with the lower press roll 3 by keeping the same radian as that of the shoe cover 4, the friction force is reduced under the action of lubricating oil between the shoe cover 4 and the upper press roll 2, when the shoe cover 4 is extruded by the lower press roll 3, the shoe cover 4 is convenient to rotate along the two ends, be convenient for continuously carry out extrusion dehydration to the body paper thick liquid, after taking off the hand, through the rotation of control drive motor 19, and then drive axis of rotation 20 and rotate, a plurality of driving gears 21 have been cup jointed in the axis of rotation 20 outside simultaneously, be convenient for drive driving gear 21 and rotate, because arc drive belt 25 has been cup jointed in the driving gear 21 outside, meshing has driven gear 24 in arc drive belt 25 bottom simultaneously, under driving gear 21 and driven gear 24 combined action, be convenient for drive arc drive belt 25 and move, movable block 28 of installation in arc drive belt 25 one side, under the effect of arc drive belt 25, make movable block 28 begin to move, here steerable drive motor 19 just reversing and rotation rate, make arc drive belt 25 drive movable block 28 do half-arc simple pendulum motion, design arc piece 27 of installation in arc drive belt 25 inboard simultaneously, be convenient for keep the arc form of arc drive belt 25, when moving block 28 is half curved simple pendulum motion along with arc drive belt 25, because moving block 28 one end department articulates there is down tube 14, and be connected with fixed mounting panel 11 through articulated seat 16 on the down tube 14, under the effect of moving block 28 drive, down tube 14 rotates along the hinge point position, be connected with roller 17 in down tube 14 bottom simultaneously, when down tube 14 is driven curved simple pendulum motion, make roller 17 move inside boot 4, be convenient for jack-up boot 4, be convenient for ejecting the body paper thick liquid of boot 4 surface adhesion, reduce the body paper thick liquid adhesion in boot 4 surface department.

The hinge point of the hinge base 16 is overlapped with the center of the arc-shaped transmission belt 25, so that the movement of the diagonal rod 14 is maintained.

Scrape subassembly 8 including installing the motor 29 of scraping in dehydration frame 1 one side, scrape motor 29 output and be connected with scraping axle 30, and scrape the axle 30 outside and be connected with a plurality of arcs of scraping 31, scrape arc 31 and the contact of the 4 outside of boots cover, scrape the axle 30 top and be equipped with the piece 32 that blows of being convenient for blow off the body paper thick liquids of scraping, after the inside roller 17 jack-up by the boots cover 4, scrape motor 29 through control this moment and drive the axle 30 rotation of scraping, owing to scrape the axle 30 outside and cup jointed a plurality of arcs of scraping 31, be convenient for scrape out the body paper thick liquids of the 4 surface departments of boots cover adhesion, reduce the body paper thick liquids adhesion in 4 surface departments of boots cover.

Blow and move 32 including installing at 1 one side air pump 33 of dehydration frame, and air pump 33 is located and keeps away from 1 one side of dehydration frame of scraping motor 29, air pump 33 output intercommunication has breather pipe 34, and breather pipe 34 is located scraping shaft 30 tops, breather pipe 34 one end is connected with dehydration frame 1, and the breather pipe 34 outside is equipped with a plurality of blow vents 35, scrapes the arc piece 31 and scrapes out the back with the body paper thick liquid, through starting air pump 33 this moment for the gas of air pump 33 department passes through breather pipe 34, blows the department from blow vent 35, is convenient for will blow out the body paper of scraping, reduces the body paper thick liquid adhesion in the shoe cover 4 outsides.

The dewatering frame 1 is connected with a water collecting box 36, and the water collecting box 36 is positioned at the bottom of the isolation blanket 5, so that water squeezed out by the collecting shoe is facilitated.

A paper pulp dehydration process for producing high-strength wallpaper base paper comprises the following steps:

a: spraying and net forming of the original paper pulp;

b: guiding the base paper pulp formed by the screen spraying into a dewatering rack 1, conveying the base paper pulp to a shoe cover 4 through a transmission device of the dewatering rack 1, pressing the shoe cover 4 by using a pressing piece 6, and pressing water in the base paper pulp by using shoe pressing between the shoe cover 4 and a lower press roll 3;

c: after the boot pressing is finished, the outer surface of the boot sleeve 4 is treated through the ejection assembly 7 and the scraping assembly 8, so that the raw paper pulp is prevented from being adsorbed and separated after being extruded and dehydrated;

d: and (5) drying.

In the scheme, the rotating motor 21 is preferably Z2D-60, the scraping motor is preferably YE2-112M-4, the air cylinder is preferably SC50 x 100, and the air pump is preferably RB-72S-2, circuits and control related to the invention are all in the prior art, and redundant description is not repeated herein

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.