CN113605812B

CN113605812B - Production system for flax paper board

Info

Publication number: CN113605812B
Application number: CN202110902209.7A
Authority: CN
Inventors: 苏宁东; 何模祥
Original assignee: Hefei Yinshan Cotton & Linen Co ltd
Current assignee: Hefei Yinshan Cotton & Linen Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2023-09-26
Anticipated expiration: 2041-08-06
Also published as: CN113605812A

Abstract

The invention relates to a production system for flax paper boards, which comprises a mixing unit for mixing and pre-soaking short flax fibers and cooking liquid, a cooking unit for cooking materials mixed by the mixing unit, a bleaching unit for bleaching the materials after the cooking treatment, a refining unit for further refining the fibers in the bleached materials, a impurity removal unit for removing impurities from the bleached materials, a concentration unit for concentrating the bleached materials, a pulp making unit for pulp making treatment on the concentrated materials, a dehydration unit for drying wet paper tapes after pulp making treatment, and a slitting unit for slitting the paper tapes after drying treatment to prepare flax paper boards with preset sizes. The technical scheme provided by the invention can be used for producing linerboards, and provides support and basis for producing linerboards.

Description

Production system for flax paper board

Technical Field

The invention relates to the field of flax pulp production, in particular to a production system for flax paper boards.

Background

At present, the research reports on the production process and the system of flax pulp and flax pulp paper at home and abroad are less, and the flax pulp paper has excellent paper performance and has application prospect as special paper. Therefore, research and analysis on flax pulp, flax pulp paper production process and production system are necessary.

Disclosure of Invention

The invention provides a production system for linerboards.

The technical scheme adopted by the invention is as follows: a production system for flax paper boards comprises a mixing unit for mixing and presoaking short flax fibers and cooking liquid, a cooking unit for cooking materials mixed by the mixing unit, a bleaching unit for bleaching the materials after the cooking treatment, a refining unit for further refining the fibers in the bleached materials, a impurity removal unit for removing impurities from the refined materials, a concentration unit for concentrating the impurities, a pulp making unit for pulp making on the concentrated materials, a dehydration unit for drying wet paper tapes after pulp making, and a slitting unit for slitting the paper tapes after drying to obtain flax paper boards with preset sizes.

The specific scheme is as follows: the production system is installed in the factory building, A, B, C mounting platform has been set gradually from top to bottom to the factory building, and the compounding unit sets up on A mounting platform, and unit, refining unit, edulcoration unit and the concentrated unit of cooking set up on B mounting platform, and bleaching unit, meter-reading unit, dehydration unit and cutting unit set up on C mounting platform, and compounding unit, cooking unit and bleaching unit are corresponding to be arranged in proper order from top to bottom.

The novel multifunctional steaming and boiling device comprises a frame, and is characterized by further comprising a feeding device arranged on a mounting platform C and used for feeding short flax fibers, wherein a mixing unit comprises a screw extrusion pre-soaking machine, a feeding port of the screw extrusion pre-soaking machine is provided with a hopper, the feeding device is communicated with the hopper through a pneumatic conveying material pipeline, the screw extrusion pre-soaking machine is connected with a boiling agent storage tank through a conveying pipeline, a transition guide chute arranged along the discharge port of the screw extrusion pre-soaking machine is arranged at the position of the discharge port of the screw extrusion pre-soaking machine, a distribution chute is arranged at the notch of the transition guide chute, the distribution chute and the transition guide chute are vertically arranged, an A discharge port is arranged on the distribution chute, the distribution chute is fixed on an A1 walking frame, A1 walking frames are movably mounted along the length direction of the distribution chute, each steaming and boiling unit comprises boiling balls arranged on the mounting platform B and are rotatably mounted along the length direction of the distribution chute, a spherical cover for detachable assembly is arranged at the material port, a spherical cover assembly device for assembling and unloading the spherical cover is arranged above the distribution chute, the distribution chute is vertically arranged on the distribution chute, the distribution chute is vertically arranged at the position of the distribution chute, the distribution chute is vertically arranged on the distribution chute is corresponding to the distribution chute 2, and the distribution chute is correspondingly mounted along the length direction of the distribution chute 2.

The bleaching unit is formed by an open underfloor pool which is respectively and correspondingly arranged below each steaming ball, a propeller is arranged at the bottom of the underfloor pool, a partition wall is arranged in the middle of the underfloor pool, the propeller pushes materials in the underfloor pool to move annularly around the partition wall, and a filter screen piece for realizing solid-liquid separation is arranged at the bottom of the underfloor pool.

The screw extrusion presoaking machine is characterized in that a discharge hole of the screw extrusion presoaking machine is provided with a discharge regulating piece, the discharge regulating piece is provided with two discharge regulating pieces which are respectively arranged at two outer sides of the screw extrusion rods, the discharge regulating piece is an arc-shaped plate, one side, close to a feed inlet of the screw extrusion presoaking machine, of the discharge regulating piece is hinged with a shell of the screw extrusion presoaking machine, the discharge regulating piece is connected with a discharge regulating cylinder, and the discharge regulating cylinder is used for regulating the distance between the discharge regulating piece and the screw extrusion rods.

The refining unit comprises a beating subunit for beating the materials and a refining subunit for refining the beaten materials, wherein the beating subunit consists of all Holland type beating machines, and the refining subunit consists of all large-taper D800 refining machines.

The impurity removing unit consists of various cyclone sand removers. The concentrating unit consists of a cylinder thickener.

The pulp copying unit comprises a pulp copying filter belt for realizing solid-liquid separation, wherein a uniformly distributed trough is arranged at the feeding end of the pulp copying filter belt, the trough bottom of the uniformly distributed trough is arranged into a step-shaped structure along the conveying direction of the pulp copying filter belt, the step-shaped structure comprises horizontally arranged table tops and vertically arranged step surfaces, each table top is provided with a baffle plate which is vertically arranged near the edge of the pulp copying filter belt, the lower edge of each baffle plate and the table tops are separately arranged, the distance between each baffle plate and the table top at the lower side of each baffle plate is gradually reduced along the conveying square distance of the pulp copying filter belt, a water squeezing roller is arranged above the conveying tail end of the pulp copying filter belt, the water squeezing roller is movably arranged, the distance between the belt surface of the upper layer filter belt of the pulp copying filter belt and the roller is changed by adjusting the position of the water squeezing roller, an air suction cover is arranged on the upstream of the water squeezing roller, the air suction cover is arranged between the upper layer filter belt and the lower layer filter belt, and the air suction cover corresponds to the upper layer filter belt.

The dewatering unit comprises various extrusion dewatering subunits and drying dewatering subunits which are arranged in series, the extrusion dewatering subunits comprise a dewatering conveying belt and extrusion rollers, the extrusion force of the extrusion rollers on the various extrusion dewatering subunits is gradually increased along the conveying direction, the drying dewatering subunits are formed by various drying rollers, wet paper tapes are coated on the drying rollers for conveying and drying, and the inner cavity of the drying rollers is communicated with a steam source.

The technical scheme provided by the invention can be used for producing linerboards, and provides support and basis for producing linerboards.

Drawings

FIG. 1 is a schematic diagram of a linerboard production system distributed on a A, B, C mounting platform;

FIG. 2 is a schematic diagram of the assembly of a mixing unit, a cooking unit and a bleaching unit;

FIG. 3 is a schematic diagram of a pulp unit;

FIG. 4 is a schematic diagram of the composition of a dewatering unit;

FIG. 5 is an assembly schematic of a cooking sphere and sphere cap assembly apparatus;

FIG. 6 is a top view of the ball cover after assembly on the cooking ball;

FIG. 7 is a schematic view of the structure of the ball cover;

FIG. 8 is a front view of the ball cover;

FIG. 9 is a side view of the ball cover;

FIG. 10 is a top view of the ball cover;

FIG. 11 is a schematic view of a structure of a ball cover assembly device for assembling a ball cover;

FIG. 12 is a front view of FIG. 7;

FIG. 13 is a side view of FIG. 7;

FIG. 14 is a schematic view of the structure of the clamping mechanism and the adjustment mechanism;

FIG. 15 is a schematic view of the structure of the capping mechanism and the capping mechanism;

fig. 16 is a schematic view of a state of the B1 support lifting adjusting assembly after adjusting the B1 lifting support to lift;

fig. 17 is a schematic view of the state of the B2 stand lifting adjusting assembly after the B2 stand lifting adjusting assembly adjusts the B2 stand to descend;

FIG. 18 is a partial right side view of FIG. 17;

FIG. 19 is a cross-sectional view A-A of FIG. 18;

fig. 20 is a schematic structural view of the A2 and A3 clamping parts;

FIG. 21 is a schematic view of the structure of the clamping unit;

FIG. 22 is a right side view of FIG. 21;

FIG. 23 is a schematic view of the assembly of FIG. 12A with the cover separated or prior to assembly;

FIG. 24 is a schematic view of the structure of the bracket of FIG. 23 after the bracket rotates 90 degrees around the vertical direction;

fig. 25 is a schematic view showing the structure of the cover body in fig. 24 after being rotated to an inclined state about the a assembly axis.

Correspondence between reference numerals and components in the figures:

001-A mounting platform, 002-B mounting platform, 003-C mounting platform, 010-screw extrusion pre-soaking machine, 011-hopper, 012-air feed pipeline, 013-transition guide chute, 014-distribution chute, 015-A1 walking frame, 016-A2 walking frame, 017-screw extrusion rod, 018-discharge adjusting piece, 019-discharge adjusting cylinder, 021-under-ball pool, 022-dividing wall, 030-uniform distribution chute, 031-step structure, 032-baffle plate, 040-pulp filtering belt, 041-air suction hood and 042-squeeze roller; 100-ball cover assembly device, 111-A clamping cover piece, 112-A clamping cover bracket, 113-A turntable, 114-A1 supporting lifting adjusting piece, 115-A1 supporting adjusting piece, 116-A clamping cover adjusting block, 117-A connecting rope, 118-B1 lifting bracket, 119-A2 rotating adjusting part, 120-A1 clamping rod, 121-A1 clamping block, 122-A1 follow-up adjusting block, 123-A1 moving piece, 124-A moving beam, 125-A nut adjusting motor, 126-A lifting adjusting rod, 127-A3 transition gear, 128-A lifting transition connecting rod, 129-B21 interval adjusting piece, 131-A2 clamping sleeve, 132-A3 sleeve, 133-magnet assembly, 134-A3 spring, 135-A3 floating elastic sheet 136-A3 driving gear, 141-B21 beam, 142-B21 sliding sleeve, 143-B22 beam, 144-B22 sliding sleeve, 145-A movable beam, 146-B22 spacing adjusting piece, 150-lifting platform, 151-B2 lifting guide rod, 152-B2 bracket lifting adjusting component, 153-B1 lifting guide rod, 154-B1 bracket lifting adjusting component, 155-assembled lifting adjusting mechanism, 200-cooking ball, 201-material port, 210-cover body, 211-A connecting block, 212-A connecting lug, 213-A assembly shaft, 214-A movable nut, 215-A threaded rod, 216-A1 connecting groove, 217-A cross rod, 218-A2 connecting groove, 219-A1 clamping groove, 220-rotating shaft, 230-driving wheel, 241-A11 side, 242-A12 side.

Detailed Description

The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.

In the technical scheme provided by the invention, the device structure and the method which are not described in detail are removed, and the device structure and the method which are used in the existing market and achieve the same functions and purposes are implemented, so that the description of the prior art is omitted. The system provided by the invention is obtained by improving a traditional cotton pulp paper board production system, the improvement part described in the description of the invention is removed, and the rest parts are implemented according to the existing cotton pulp paper board production scheme.

As shown in figure 1, the production system for flax paper boards provided by the invention comprises a mixing unit for mixing and pre-soaking short flax fibers and cooking liquid, a cooking unit for cooking materials mixed by the mixing unit, a bleaching unit for bleaching the materials after the cooking treatment, a refining unit for further refining fibers in the bleached materials, a impurity removal unit for removing impurities from the refined materials, a concentration unit for concentrating the impurities, a pulp making unit for pulp making treatment on the concentrated materials, a dehydration unit for drying wet paper tapes after pulp making treatment, and a slitting unit for slitting the paper tapes after drying treatment to prepare flax paper boards with preset sizes.

The concrete scheme is that the production system is installed in the factory building, and the factory building has set gradually A, B, C mounting platform from top to bottom, and compounding unit sets up on A mounting platform 001, and unit that cooks, refining unit, edulcoration unit and enrichment unit set up on B mounting platform 002, and bleaching unit, the unit of copying, dewatering unit and cutting unit set up on C mounting platform 003, and compounding unit, cooking unit and bleaching unit are corresponding to be arranged in proper order from top to bottom. A. B, C the mounting platform is formed by floors of third floor, second floor and first floor.

The novel multifunctional steaming and steaming machine further comprises a feeding device used for feeding short flax fibers, wherein the feeding device is arranged on the C mounting platform 003, the mixing unit comprises a screw extrusion pre-soaking machine 010, a hopper 011 is arranged at a feeding port of the screw extrusion pre-soaking machine 010, the feeding device is communicated with the hopper 011 through a pneumatic conveying material pipeline 012, the screw extrusion pre-soaking machine 010 is connected with a steaming and steaming agent storage tank through a conveying pipeline, a transition guide groove 013 which is arranged along the feeding port of the screw extrusion pre-soaking machine 010 is arranged at a discharging port of the transition guide groove 013, a distribution groove 014 and the transition guide groove 013 are vertically arranged, an A discharge port is arranged on the distribution groove 014, the distribution groove 015 is fixedly arranged on an A1 walking frame 015, each steaming and steaming ball arranged on the B mounting platform 002 along the groove length direction of the distribution groove 014 is movably mounted, a ball cover used for detachable assembly is arranged at the material port of the screw extrusion pre-soaking machine 010, an upper side of the distribution groove 014 is further provided with a distribution groove 014, an A discharge port is arranged on the distribution groove 014, the distribution groove 014 is correspondingly provided with an A2 ball cover used for detachable assembly, and the distribution groove is correspondingly arranged on the distribution groove 014, and the distribution groove A1 walking frame is correspondingly provided with the ball cover 2, and the lifting device is correspondingly arranged on the distribution groove A2 is correspondingly provided with the ball cover 2. As shown in fig. 2. The bleaching unit is composed of each open underfloor pool 021 which is correspondingly arranged below each steaming ball, a propeller is arranged at the bottom of each underfloor pool 021, a partition wall 022 is arranged in the middle of each underfloor pool 021, the propeller pushes materials in each underfloor pool 021 to move annularly around the partition wall 022, and a filter screen piece for realizing solid-liquid separation is arranged at the bottom of each underfloor pool 021.

The discharge gate department of screw extrusion presoaking machine 010 is provided with ejection of compact regulating part 018, ejection of compact regulating part 018 is provided with two and divides to arrange in two outsides of screw extrusion pole 017, ejection of compact regulating part 018 is arc plate, ejection of compact regulating part 018 is close to one side that screw extrusion presoaked machine 010 feed inlet and screw extrusion presoaked machine 010's casing hinge connection, ejection of compact regulating part 018 is connected with ejection of compact regulating cylinder 019, ejection of compact regulating cylinder 019 adjusts the interval between ejection of compact regulating part 018 and the screw extrusion pole 017. The wettability between the short flax fiber and the cooking liquid can be changed by adjusting the distance between the short flax fiber and the cooking liquid.

The refining unit comprises a beating subunit for beating the materials and a refining subunit for refining the beaten materials, wherein the beating subunit consists of all Holland type beating machines, and the refining subunit consists of all large-taper D800 refining machines. The impurity removing unit consists of various cyclone sand removers. The cyclone sand remover can form a two-stage four-section impurity removing mechanism according to the production of the traditional cotton pulp paper board.

The concentrating unit consists of a cylinder thickener. The pulp making unit comprises a pulp making filter belt 040 for realizing solid-liquid separation, a feeding end of the pulp making filter belt 040 is provided with a uniformly-distributed trough 030, a trough bottom of the uniformly-distributed trough 030 is arranged into a step-shaped structure 031 along a conveying direction of the pulp making filter belt 040, the step-shaped structure 031 comprises a horizontally arranged table top and a vertically arranged step surface, each table top is provided with a baffle plate 032 which is vertically arranged near the edge of the pulp making filter belt 040, the lower edge of the baffle plate 032 and the table top are separately arranged, the interval between each baffle plate 032 and the table top at the lower side of the baffle plate is gradually reduced along a square conveying interval of the pulp making filter belt 040, a squeezing roller 042 is movably mounted above the conveying end of the pulp making filter belt 040, the position of the squeezing roller 042 is adjusted to change the interval between the belt surface of an upper layer of the pulp making filter belt 040 and the roller surface of the squeezing roller 042, an air suction cover 041 is arranged on the upstream of the squeezing roller 042, the air suction cover 041 is arranged between the upper layer of the air suction cover 041 and the lower layer of the filter belt, and the air suction cover 041 is correspondingly arranged on the filter belt. The dewatering unit comprises various extrusion dewatering subunits and drying dewatering subunits which are arranged in series, the extrusion dewatering subunits comprise a dewatering conveying belt and extrusion rollers, the extrusion force of the extrusion rollers on the various extrusion dewatering subunits is gradually increased along the conveying direction, the drying dewatering subunits are formed by various drying rollers, wet paper tapes are coated on the drying rollers for conveying and drying, and the inner cavity of the drying rollers is communicated with a steam source. The structure can effectively improve the pulp making and dehydration efficiency.

The cooking ball 200 shown in fig. 5-11 is implemented, and comprises a cooking ball 200, wherein a material opening 201 for feeding materials into the cooking ball 200 and discharging the materials is formed in the cooking ball 200, a ball cover is arranged at the material opening 201, the ball cover is detachably assembled and connected with the cooking ball 200 through an assembly component A, the cooking ball 200 is rotatably assembled on an installation seat through a rotating shaft 220, the rotating shaft 220 penetrates through the cooking ball 200, the rotating shaft 220 is a hollow shaft, a shaft cavity of the rotating shaft 220 is connected with a heating mechanism for heating the materials in the cooking ball 200, a driving wheel 230 is arranged at the other end of the rotating shaft 220, and the driving wheel 230 is a large gear.

As shown in fig. 7, 8 and 9, the spherical cap includes a cap body 210, where the length dimension of the cap body 210 is greater than the width dimension, the cap body 210 includes a first plate body and a second plate body, the first plate body and the second plate body are connected in an overlapping manner, the profile shapes of the first plate body and the second plate body are similar, the profile dimension of the second plate body is consistent with the profile dimension of the material port 201, and the profile dimension of the first plate body is greater than the profile dimension of the second plate body. The projection shape of the first plate body part and the second plate body part on the plane A is waist-shaped, the center point of the material recording opening 201 is point A, the center point of the cooking ball 200 is point B, the straight line A is the connecting straight line of the point A and the point B, and the plane A is a plane vertical to the straight line A. The A assembly component comprises an A assembly unit, the A assembly unit comprises an A1 connecting piece which is used for being detachably connected and matched with the ball cover, an A2 connecting piece which is used for being detachably connected and matched with the outer surface of the cooking ball 200, the A1 connecting piece and the A2 connecting piece are connected through an A assembly adjusting piece, and the A assembly adjusting piece is used for adjusting the distance between the A1 connecting piece and the A2 connecting piece. The number of the assembly units A is two, and the assembly units A are symmetrically distributed on two sides of the cover body 210. An A1 connecting part is arranged on the outer surface of the second plate body, and the A1 connecting part are detachably connected and matched in a buckling mode.

In detail, the A1 connection part is formed by an A1 connection groove 216 formed on the outer surface of the second plate body, the notch of the A1 connection groove 216 is formed in a closed shape, and the A1 connection piece is formed by an a connection block 211 positioned in the A1 connection groove 216. The A2 connecting piece comprises an A cross rod 217, two ends of the A cross rod 217 are erected on the outer wall surfaces of the cooking balls 200 on two sides of the material port 201, an A through hole is formed in the middle of the A cross rod 217, the A assembly adjusting piece comprises an A threaded rod 215, one end of the A threaded rod 215 and an A connecting block 211, the middle of the A threaded rod 215 is inserted into the A through hole, an A movable nut 214 is arranged on a rod body of the A threaded rod 215 on the outer side of the A cross rod 217, and the space between the A connecting block 211 and the A cross rod 217 is adjusted by screwing the A movable nut 214. The groove length direction of the A1 connecting groove 216 is consistent with the length direction of the cover body 210, one side of the A1 connecting groove 216, which is close to the center of the cover body 210, is provided with a plugging shape, two ends of the A cross rod 217 are provided with A1 clamping grooves 219, the notch of the A1 clamping grooves 219 points to one side of the interior of the cooking ball 200, the groove length direction of the A1 clamping grooves 219 is consistent with the length direction of the cover body 210, the outer surface of the cooking ball 200 at the outer side of the material port 201 is provided with annular A convex strips, the projection of the A convex strips on the A plane is waist-shaped, the end parts of two straight lines on the A convex strips are marked as A clamping parts, the A1 clamping grooves 219 are assembled by plugging with the A clamping parts, and the A1 connecting groove 216 is arranged corresponding to the A clamping parts. The a connection block 211 is formed of a hexagonal bolt head, and the width of the opposite side of the hexagonal bolt head is matched with the width of the groove cavity of the A1 connection groove 216. Two A2 connecting grooves 218 are symmetrically formed in the outer surface of the A cross rod 217, the groove length direction of the A2 connecting grooves 218 is consistent with the length direction of the A cross rod 217, the A2 connecting grooves 218 are closing grooves, and the end portions, far away from the middle of the A cross rod 217, of the A2 connecting grooves 218 are in a plugging shape.

The outer surface of the second plate body is provided with an A connecting lug 212, the A connecting lug 212 is arranged perpendicular to the second plate body, the A connecting lug 212 is provided with an A assembly hole/A assembly shaft 213, and the hole core line direction of the A assembly hole/A assembly shaft 213 is consistent with the width direction of the cover body 210. A sealing ring is paved on the upper surface of the first plate body. The upper leg of the particular a threaded rod 215 is provided with a rod body having a hexagonal cross section.

The ball cover assembly device is implemented in the manner shown in fig. 11, and comprises a cover clamping mechanism for clamping a cover body 210, a cover adjusting mechanism for adjusting the posture of the cover body 210 on the cover clamping mechanism, a clamping mechanism for clamping an assembly component A, and a clamping mechanism for adjusting the posture of the assembly component A clamped on the clamping mechanism to realize the assembly between the cover body 210 and a ball body, wherein the cover clamping mechanism and the cover adjusting mechanism are arranged on a B1 lifting bracket 118, the clamping mechanism and the mounting adjusting mechanism are arranged on a B2 lifting bracket, and the B1 lifting bracket and the B2 lifting bracket are respectively arranged on a lifting platform 150.

As shown in fig. 12, 13 and 14, the cover clamping mechanism includes two oppositely arranged a cover clamping members 111, a cover clamping hole is respectively formed in each of the two a cover clamping members 111, the two a cover clamping members 111 are movably mounted on a cover clamping bracket 112, a cover clamping adjusting portions are arranged on the cover clamping bracket 112 and are used for adjusting the two a cover clamping members 111 to be close to and far away from each other, so that the cover clamping hole is assembled and separated from two ends of an a assembly shaft 213 on a cover body 210 (a connecting lug 212).

The a clamp cover 111 is composed of a vertically arranged a plate body, the two a clamp cover 111 are mounted in a floating mode along the interval direction between the two a clamp cover 111 through a compression spring, the a clamp cover adjusting part comprises two a clamp cover adjusting blocks 116 which are arranged in a sliding mode along the horizontal direction, the two a clamp cover adjusting blocks 116 are respectively connected with the two a clamp cover 111, and the two a clamp cover adjusting blocks 116 are adjusted to horizontally move so as to achieve adjustment that the two a clamp cover 111 are close to and far away from each other. The cap adjustment mechanism includes an A1 rotation adjustment portion that adjusts rotation of the cap 210 about the a assembly axis 213 and an A2 rotation adjustment portion 119 that adjusts rotation of the cap 210 about the vertical direction. The two outer sides of the a assembly shaft 213 are respectively denoted as an a11 side and an a12 side (the positions of reference numerals 241 and 242 in fig. 4), the weight of the a11 side cover body 210 is greater than that of the a12 side cover body 210, an A1/A2 cover clamping hole is formed at one corner of the lower end of the a plate body, and the other corner of the lower end of the a plate body is used for abutting against the a12 side cover body 210 to prevent the a12 side cover body 210 from turning upwards from a horizontal position.

15, 16, 17 and 18, the A1 rotation adjusting portion includes an A1 abutment adjusting member 115, the A1 abutment adjusting member 115 is movably mounted on the A-clip cover bracket 112 in the vertical direction, the A1 abutment adjusting member 115 abuts the A12-side cover 210 to rotate the cover 210 about the A assembly axis 213, the A-clip cover bracket 112 is rotatably mounted on the B1 lifting bracket 118, and the A2 rotation adjusting portion adjusts the A-clip cover bracket 112 to rotate. The clamping mechanism comprises a clamping unit, the clamping unit comprises an A1 clamping part used for clamping the A cross rod 217, an A2 clamping part used for clamping the A threaded rod 215 and an A3 clamping part used for clamping the A movable nut 214, and the adjusting mechanism comprises an A1 adjusting part used for adjusting the assembly and separation of the A1 clamping part and the A cross rod 217, an A2 adjusting part used for adjusting the assembly and separation of the A1 connecting groove 216 and the A connecting block 211 at the lower end of the A threaded rod 215 and an A3 adjusting part used for adjusting the rotation of the A movable nut 214. The A1 clamping part comprises two oppositely arranged A1 clamping rods 120, an A1 clamping block 121 used for clamping and assembling with an A2 connecting groove 218 is arranged at the lower end of the A1 clamping rod 120, the upper end of the A1 clamping rod 120 is slidably assembled with a B2 lifting bracket, the A1 clamping block 121 is composed of hexagonal bolt heads, the width of the opposite sides of the A1 clamping block 121 is matched with the width of the groove cavity of the A2 connecting groove 218, and the A1 adjusting part is used for adjusting the two A1 clamping rods 120 to be close to and far away from each other. The A2 clamping part comprises an A2 clamping sleeve 131 used for clamping the upper end of the A threaded rod 215, an A2 restraining part used for restraining the upper end of the A threaded rod 215 to move out of the A2 clamping sleeve 131 is arranged on the A2 clamping sleeve 131, the A2 restraining part is formed by a magnet assembly 133, the A3 clamping part comprises an A3 sleeve 132, the A3 sleeve 132 and the A2 clamping sleeve 131 are assembled in a rotating mode, an A3 floating elastic sheet 135 is arranged in the A3 sleeve 132, the A3 floating elastic sheet 135 is installed in the A3 sleeve 132 in a floating mode through an A3 spring 134, the A3 spring 134 drives the A3 floating elastic sheet 135 to move downwards, an A3 driving gear 136 is arranged on the A3 sleeve 132, the A3 adjusting part is connected with the A3 driving gear 136, and the A2 adjusting part adjusts the A2 clamping part to move along the groove length direction of the A connecting groove.

The more detailed operation is: the B1 lifting support 118 is slidably mounted on the lifting platform 150 through a B1 lifting guide rod 153, the B2 lifting support is slidably mounted on the lifting platform 150 through a B2 lifting guide rod 151, a B1 support lifting adjusting component 154 for adjusting the lifting of the B1 lifting support 118 and a B2 support lifting adjusting component 152 for adjusting the lifting of the B2 lifting support are arranged on the lifting platform 150, and the lifting platform 150 is assembled in a lifting manner through an assembling lifting adjusting mechanism 155; b1 and B2 support lifting adjusting components 152 can be air cylinders or electric cylinders.

The B2 lifting support comprises two B21 cross beams 141 and two B22 cross beams 143, the length direction of the B21 cross beams 141 is consistent with the length direction of the A cross beam 217, and the B22 cross beams 143 are vertically arranged with the B21 cross beams 141; the clamping unit is provided with two corresponding two A assembly units, the clamping unit comprises an A movable beam 124, the length direction of the A movable beam 124 is consistent with the length direction of a B21 cross beam 141, two ends of the A movable beam 124 are respectively and slidably arranged on two B22 cross beams 143 through a B22 sliding sleeve 144, two A1 clamping rods 120 are respectively and fixedly arranged at the lower sides of the two ends of the A movable beam 124, the upper ends of the two A1 clamping rods 120 are respectively and fixedly arranged on two A1 follow-up regulating blocks 122, the two A1 follow-up regulating blocks 122 are respectively and slidably arranged on two A1 movable pieces 123 along the vertical direction, the A1 movable pieces 123 are L-shaped, the A1 movable pieces 123 are slidably assembled with the A movable beam 124 along the length direction of the A movable beam 124, the A2 clamping sleeve 131 is fixedly arranged in a hanging manner in the middle of the A movable beam 124, an A nut adjusting motor 125 is arranged in the middle of the A movable beam 124, an output shaft of the A nut adjusting motor 125 is connected with an A lifting adjusting rod 126, an A3 transition gear 127 meshed with an A3 driving gear 136 is arranged at the lower end of the A lifting adjusting rod 126, a threaded rod body section is arranged on the A lifting adjusting rod 126, an A lifting transition nut is arranged on the threaded rod body section, the A lifting transition nut is arranged in the middle of an A lifting transition connecting rod 128 horizontally arranged, and two ends of the A lifting transition connecting rod 128 are respectively assembled with an A1 follow-up adjusting block 122 in a sliding manner along the length direction of a B21 cross beam 141; the movable A beams 124 on the two clamping units are connected through the B21 interval adjusting piece 129, the two movable A1 pieces 123 which are oppositely arranged on the two clamping units along the length direction of the B22 cross beam 143 are respectively and slidably assembled with the same movable A cross beam 145 along the length direction of the B22 cross beam 143, the movable A cross beam 145 is provided with two movable A cross beams, two ends of the movable A cross beam 145 are respectively and slidably assembled with the two movable B21 cross beams 141 through the B21 sliding sleeve 142, the length direction of the movable A cross beam 145 is consistent with the length direction of the movable B22 cross beam 143, and the two movable A cross beams 145 are connected through the B22 interval adjusting piece 146; specifically, the distance adjusting members 146 of B21 and B22 may be an adjusting cylinder or an electric cylinder.

As shown in fig. 18, 19 and 20, the a-clamp cover bracket 112 comprises a vertically arranged a square conduit, A1 abutting adjusting piece 115 is slidingly assembled in the a square conduit, the a square conduit comprises an a pipe wall arranged in the length direction of two corresponding cover bodies 210 and a B pipe wall arranged in the width direction of the two corresponding cover bodies 210, two a plate bodies are respectively and floatingly arranged on the outer sides of the two a pipe walls through a compression spring, two a-clamp cover adjusting blocks 116 are respectively and floatingly arranged on the two B pipe walls through springs along the length direction of the cover bodies 210, A1 abutting groove is respectively arranged on the outer surface of the corresponding B pipe wall arranged on the A1 abutting adjusting piece 115, the A1 abutting groove comprises an A1 groove section and an A3 groove section sequentially from top to bottom, an A2 groove section is arranged between the A1 groove section and the A3 groove section, the groove depth of the A3 groove section is larger than the groove depth of the A1 groove section, the groove depths of the two ends are respectively kept consistent with the groove depths of the A1 groove sections, the bottom surface of the A1 groove section is respectively arranged in a floating manner, the bottom surface of the A1 abutting adjusting block is respectively, the A1 abutting adjusting block is in close to the side of the a sliding clamp cover 116, and the a side of the two a-clamp cover 116 is in close to the sliding clamp cover 116 abuts against one side of the two a-clamp cover adjusting piece 116, and the a-clamp cover 116 is in a sliding manner;

as shown in fig. 21 and 22, the upper end of the a cover bracket 112 is fixedly assembled on an a rotary table 113, the a rotary table 113 is rotatably installed on a B1 lifting bracket 118, and an A1 supporting lifting adjusting member (which may be a cylinder or an electric cylinder) for adjusting the lifting of the A1 supporting adjusting member 115 is arranged on the a rotary table 113; when the A clamp cover adjusting block 116 is arranged corresponding to the A3 groove section, the A clamp cover hole and the A assembly shaft 213 are in a separated state; when the A1 abutting adjusting piece 115 moves downwards relative to the a clamping cover adjusting block 116 and the a clamping cover adjusting block 116 rotates from the A2 groove section to the A1 groove section, the a clamping cover hole and the a assembling shaft 213 complete assembly, and the lower end of the A1 abutting adjusting piece 115 starts to contact and abut against the upper surface of the first plate body. The A2 rotation adjusting portion 119 may be formed by a rotation adjusting cylinder, and the a turntable 113 is provided with a turntable connecting rod, and the turntable connecting rod and the rotation adjusting cylinder form a crank adjusting mechanism for adjusting the a turntable 113 to rotate.

The B1 lifting support 118 is located inside the B2 lifting support, the B2 lifting guide rod 151 is located outside the B1 lifting guide rod 153, the B2 support lifting adjusting component 152 is disposed on the upper surface of the lifting platform 150, and the B1 support lifting adjusting component 154 is disposed on the lower surface, as shown in fig. 11 and 12. The lifting adjusting mechanism 155 is assembled to form a large adjusting assembly for lifting, and the large adjusting assembly is used in a corresponding existing mode according to specific conditions.

With the above assembly equipment, when flax fiber material is added into the cooking ball 200, the ball cover assembly device 100 is in a state as shown in fig. 25, the material port 201 is in an upward arrangement state, and the ball cover assembly device 100 is adjusted to be in a high position by the assembly lifting adjustment mechanism 155, so that the material enters the cooking ball 200 to be avoided. After the steaming ball 200 is filled with the materials, the whole ball cover assembly device 100 is adjusted to descend by the assembly lifting adjusting mechanism 155, so that the cover 210 completely enters the steaming ball 200 through the material opening 201. The adjustment cover 210 is then rotated about the a fitting shaft 213 so that the cover 210 on the a21 side is turned down to a horizontally arranged state, that is, a state shown in fig. 24, and then the adjustment cover 210 is rotated about its vertical center line by 90 ° to adjust to a state shown in fig. 23. Then lifting the ball cover for the ball cover carries out the shutoff to the feed inlet 201, and after ball cover and feed inlet 201 carry out the block, adjust two A movable beams 124 and be close to each other, make A connecting block 211 and the A1 spread groove 216 of A threaded rod 215 lower extreme assemble, after A connecting block 211 and A1 spread groove 216 assemble, start A nut accommodate motor 125, adjust A movable nut 214 screw up and rotate and make A1 joint groove 219 and A joint department at A horizontal pole 217 both ends carry out the joint, make the ball cover by A assembly component fix on the cooking ball 200 of feed inlet 201 department. Then, the two A1 clamping rods 120 are adjusted to be far away from each other, so that the A1 clamping blocks 121 are separated from the A2 connecting grooves 218, then, the two A movable beams 124 are adjusted to be far away from each other, the A connecting blocks 211 are separated from the A1 connecting grooves 216, the two A clamping cover pieces 111 are adjusted to be far away from each other and completely separated from the A assembling shaft 213, then, the whole ball cover assembling device 100 is adjusted to be lifted and separated from the ball cover, and the rotary cooking of the cooking ball 200 is avoided.

Before the steaming ball 200 is unloaded, the position of the material opening 201 is adjusted to be in an upward arrangement state, the ball cover assembly device 100 is adjusted to descend and be correspondingly arranged with the ball cover, and the two A movable beams 124 are adjusted to be close to each other, so that the A connecting block 211 enters the A1 connecting groove 216 for assembly. The two A1 clamp bars 120 are then adjusted to be close to each other so that the A1 clamp block 121 is assembled with the A2 connecting groove 218, and the two a clamp covers 111 are adjusted to be close to each other to be assembled with the a assembling shaft 213. Then, the a nut adjusting motor 125 is started, the a movable nut 214 is adjusted to be loosened and rotated, so that the a cross rod 217 is lifted, after the a movable nut 214 is loosened in place, the two a movable beams 124 are adjusted to be away from each other, so that the a connecting block 211 is separated from the A1 connecting groove 216, and then the cover 210 is adjusted to descend in the cooking ball 200, so that the cover 210 and the ball cover assembling device 100 are in the state shown in fig. 23. The adjustment ball cover is then rotated back 90 about its vertical center line to adjust to the condition shown in fig. 24. The adjustment cover 210 is then rotated about the a-fitting shaft 213 so that the cover 210 on the a21 side is turned up to a state of being obliquely arranged, that is, a state as shown in fig. 25. The ball cover is then lifted so that it is completely removed from the cooking ball 200 and the rotary discharge and loading of the cooking ball 200 is avoided. The cooking bulb 200 is then rotated for discharging. After the unloading is finished, the steps of loading and repeating the loading operation are needed to be repeated.

The technical scheme provided by the invention can effectively realize automatic assembly of the cover body 210, improve the production efficiency and reduce the labor intensity and the production cost.

The technology for producing the flax pulp/flax pulp paperboard by adopting the system comprises the following operation steps:

cutting long flax fibers into short flax fibers, steaming the short flax fibers by using a steaming agent, bleaching the steamed feed liquid by using a bleaching agent, pulping the feed liquid and refining the feed liquid in sequence after bleaching to further reduce the length of the flax fibers in the feed liquid, and removing impurities from the feed liquid after refining the flax pulp to obtain the flax pulp.

The length of the short flax fiber obtained by cutting treatment is 4.5-5.5 mm, and the length of the flax fiber in the feed liquid after the refined pulp treatment is 1.5-2.1 mm. By adopting the control of the length of the fiber material, the requirement of the final flax paper board on the beating degree can be met, and the fiber yield can be ensured.

The cooking agent is prepared by alkali liquor and H2O2, 2 tons of short flax fibers are added into a screw extrusion presoaking machine 010, 10 tons of alkali liquor (NaOH) and 800 kilograms of H2O2 are added for mixed cooking, the concentration of the alkali liquor is 30g/L, presoaking treatment is carried out, and the presoaked materials are sent to a cooking ball for cooking treatment.

The temperature is raised according to the following conditions during the cooking treatment:

by adopting the conditions to cook the fiber, the developing effect of the finished flax paper can be effectively improved.

The bleaching treatment operation comprises the following steps: pouring the steamed feed liquid into an under-ball pool 021, diluting with water until a propeller in the under-ball pool 021 can push the feed liquid, adjusting the temperature of the feed liquid to 38-42 ℃, adding 100 kg of sodium hypochlorite, pushing by the propeller for 15min, then carrying out solid-liquid separation, cleaning three times with clear water after solid-liquid separation, adding water after cleaning, pushing uniformly by the propeller, then adding 150 kg of sodium hypochlorite, pushing by the propeller for 20min, adding 15 kg of chlorine dioxide and 1.5 kg of activating agent, wherein the activating agent is magnesium stearate, or replacing by other agents with the same functions, pushing by the propeller for 20min, finally adding 75 kg of hydrogen peroxide, and continuing to push for 20min, thus completing bleaching treatment operation.

The material liquid after bleaching treatment is beaten by adopting a Holland type beater, the beaten time is 80min, the working current of the first 30min is 130A, and the working current of the second 50min is: 150A.

And (3) adopting a large-taper D800 refiner to conduct refining treatment on the pulp-beaten feed liquid, wherein the refining treatment time is 90min, and the working current is 320-330A.

Before pulping, the concentration of the feed liquid is diluted to 3 percent, and the length of the flax fiber in the feed liquid after pulping is 2.8-3.0 mm. And adopting a two-stage four-stage process to carry out slag removal treatment on the feed liquid after the refined pulp treatment. Before deslagging treatment, the feed liquid is diluted, so that the concentration of the feed liquid is less than or equal to 0.5%.

The method comprises the steps of feeding the deslagged flax pulp into a cylinder thickener for concentration, feeding the concentrated flax pulp into a pulp-making conveyor belt for pulp-making treatment, controlling the conveying speed of the pulp-making conveyor belt to be 30m/min, controlling the extrusion force of a water pressing roller to be 0.35KPa, adopting two extrusion dehydration subunits for extrusion dehydration, controlling the extrusion forces of two stages to be 0.2 KPa and 0.4 KPa respectively, drying and dehydrating through a drying and dehydration subunit, thereby realizing reliable separation of moisture, removing impurities such as black spots on a paper belt before cutting treatment, and obtaining flax paper board products after cutting treatment.

The flax paper board prepared above was subjected to detection analysis, and the results of the detection analysis are shown in table 1.

Table 1 detection results of linerboard

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The production system for the flax paper board is characterized by comprising a mixing unit for mixing and presoaking short flax fibers and cooking liquid, a cooking unit for cooking materials mixed by the mixing unit, a bleaching unit for bleaching the materials subjected to the cooking treatment, a refining unit for further refining the fibers in the bleached materials, a impurity removal unit for removing impurities from the refined materials, a concentration unit for concentrating the impurities, a pulp making unit for pulp making treatment on the concentrated materials, a dehydration unit for drying wet paper tapes subjected to pulp making treatment, and a slitting unit for slitting the paper tapes subjected to the drying treatment to prepare flax paper boards with preset sizes;

the production system is arranged in a factory building, a A, B, C mounting platform is sequentially arranged in the factory building from top to bottom, a mixing unit is arranged on the A mounting platform, a stewing unit, a refining unit, a impurity removing unit and a concentrating unit are arranged on the B mounting platform, a bleaching unit, a pulp copying unit, a dewatering unit and a slitting unit are arranged on the C mounting platform, and the mixing unit, the stewing unit and the bleaching unit are correspondingly and sequentially arranged from top to bottom;

the refining unit comprises a beating subunit for beating the materials and a refining subunit for refining the beaten materials, wherein the beating subunit consists of all Holland beating machines, and the refining subunit consists of all large-taper D800 refining machines; the impurity removing unit consists of all cyclone sand removers; the concentrating unit consists of a cylinder thickener; the pulp copying unit comprises a pulp copying filter belt for realizing solid-liquid separation, wherein a uniformly-distributed trough is arranged at the feeding end of the pulp copying filter belt, the trough bottom of the uniformly-distributed trough is arranged into a step-shaped structure along the conveying direction of the pulp copying filter belt, the step-shaped structure comprises horizontally arranged table tops and vertically arranged step surfaces, each table top is provided with a vertically arranged baffle plate near the edge of the pulp copying filter belt, the lower edge of each baffle plate and the table tops are arranged in a separated mode, the distance between each baffle plate and the table top at the lower side of each baffle plate is gradually reduced along the conveying square distance of the pulp copying filter belt, a water squeezing roller is arranged above the conveying tail end of the pulp copying filter belt, the water squeezing roller is movably arranged, the distance between the belt surface of the upper layer filter belt of the pulp copying filter belt and the roller is changed by adjusting the position of the water squeezing roller, an air suction cover is arranged on the upstream of the water squeezing roller, and the air suction cover is arranged between the upper layer filter belt and the lower layer filter belt, and the air suction cover corresponds to the upper layer filter belt; the dewatering unit consists of various extrusion dewatering subunits and drying dewatering subunits which are arranged in series, the extrusion dewatering subunits comprise dewatering conveying belts and extrusion rollers, the extrusion force of the extrusion rollers on the various extrusion dewatering subunits is gradually increased along the conveying direction, the drying dewatering subunits are formed by various drying rollers, wet paper tapes are coated on the drying rollers for conveying and drying, and the inner cavity of the drying rollers is communicated with a steam source;

the feeding device for feeding short flax fibers is arranged on the C mounting platform, the mixing unit comprises a screw extrusion pre-soaking machine, a feeding port of the screw extrusion pre-soaking machine is provided with a hopper, the feeding device is communicated with the hopper through an air feeding material pipeline, the screw extrusion pre-soaking machine is connected with a cooking agent storage tank through a conveying pipeline, a transition guide chute which is arranged along the screw extrusion pre-soaking machine is arranged at the discharging port of the screw extrusion pre-soaking machine, a distribution chute is arranged at the notch of the transition guide chute, the distribution chute and the transition guide chute are vertically arranged, an A discharge port is arranged on the distribution chute, the distribution chute is fixed on an A1 walking frame, the A1 walking frame is movably mounted along the length direction of the distribution chute, the cooking unit comprises cooking balls which are arranged on the B mounting platform and are arranged at intervals along the length direction of the distribution chute, the cooking balls are rotatably mounted, a ball cover for detachable assembly is arranged at the material port, a ball cover assembly device for assembling and unloading the ball cover is further arranged above the distribution chute, the ball cover assembly device is assembled on the A2 walking frame through an assembly lifting mechanism, the ball cover assembly device is arranged on the A2 walking frame along the length direction of the distribution chute, and the distribution chute is correspondingly moved along the length direction of the distribution chute A2, and the material outlet is correspondingly moved along the length direction of the distribution chute A;

the ball cover assembly device comprises a cover clamping mechanism for clamping a cover body, a cover adjusting mechanism for adjusting the posture of the cover body on the cover clamping mechanism, a clamping mechanism for clamping an assembly A, and an assembly adjusting mechanism for adjusting the posture of the assembly A clamped on the clamping mechanism to realize the assembly between the cover body and a ball body, wherein the cover clamping mechanism and the cover adjusting mechanism are arranged on a B1 lifting bracket, the clamping mechanism and the assembly adjusting mechanism are arranged on a B2 lifting bracket, and the B1 lifting bracket and the B2 lifting bracket are respectively arranged on a lifting platform; the clamping mechanism comprises two oppositely arranged A clamping cover pieces, wherein A clamping cover holes are respectively formed in the two A clamping cover pieces, the two A clamping cover pieces are respectively movably mounted on an A clamping cover bracket, an A clamping cover adjusting part is arranged on the A clamping cover bracket and used for adjusting the two A clamping cover pieces to be close to and far away from each other, so that the A clamping cover holes are assembled and separated from two ends of an A assembly shaft on the cover body; the A clamp cover parts are formed by vertically arranged A plate bodies, the two A clamp cover parts are arranged in a floating mode along the interval direction between the two A clamp cover parts through A compression springs, the A clamp cover adjusting part comprises two A clamp cover adjusting blocks which are arranged in a sliding mode along the horizontal direction, the two A clamp cover adjusting blocks are respectively connected with the two A clamp cover parts, and the two A clamp cover adjusting blocks are adjusted to move horizontally so as to achieve adjustment that the two A clamp cover parts are close to and far away from each other;

the cover adjusting mechanism comprises an A1 rotation adjusting part for adjusting the cover body to rotate around the A assembly shaft and an A2 rotation adjusting part for adjusting the cover body to rotate around the vertical direction; the two outer sides of the A assembly shaft are respectively marked as an A11 side and an A12 side, the weight of the A11 side cover body is larger than that of the A12 side cover body, an A1/A2 clamping hole is formed in one corner of the lower end of the A plate body, and the other corner of the lower end of the A plate body is used for abutting against the cover body on the A12 side to prevent the cover body on the A12 side from overturning upwards from a horizontal position; the A1 rotation adjusting part comprises an A1 propping adjusting piece, the A1 propping adjusting piece is movably arranged on the A clamping cover bracket along the vertical direction, the A1 propping adjusting piece props against the cover body on the A12 side to enable the cover body to rotate around the A assembly shaft, the A clamping cover bracket is rotatably arranged on the B1 lifting bracket, and the A2 rotation adjusting part is used for adjusting the A clamping cover bracket to rotate; the clamping mechanism comprises a clamping unit, wherein the clamping unit comprises an A1 clamping part used for clamping an A cross rod, an A2 clamping part used for clamping an A threaded rod and an A3 clamping part used for clamping an A movable nut, and the adjusting mechanism comprises an A1 adjusting part used for adjusting the assembly and separation of the A1 clamping part and the A cross rod, an A2 adjusting part used for adjusting the assembly and separation of an A1 connecting groove and an A connecting block at the lower end of the A threaded rod and an A3 adjusting part used for adjusting the rotation of the A movable nut; the A1 clamping part comprises two oppositely arranged A1 clamping rods, the lower ends of the A1 clamping rods are provided with A1 clamping blocks used for clamping and assembling with the A2 connecting grooves, the upper ends of the A1 clamping rods are slidably assembled with the B2 lifting supports, the A1 clamping blocks are composed of hexagonal bolt heads, the width of opposite sides of the A1 clamping blocks is matched with the width of a groove cavity of the A2 connecting grooves, and the A1 adjusting part is used for adjusting the two A1 clamping rods to be close to and far away from each other.

2. The production system for linerboards according to claim 1, wherein the bleaching unit is composed of an under-ball pool with openings, which is respectively and correspondingly arranged below each steaming ball, a propeller is arranged at the bottom of the under-ball pool, a partition wall is arranged in the middle of the under-ball pool, the propeller pushes materials in the under-ball pool to move annularly around the partition wall, and a filter screen member for realizing solid-liquid separation is arranged at the bottom of the under-ball pool.

3. The production system for flax paper boards according to claim 2, wherein a discharge port of the screw extrusion pre-soaking machine is provided with two discharge adjusting members, the two discharge adjusting members are respectively arranged on two outer sides of the screw extrusion rod, the discharge adjusting members are arc-shaped plate members, one side of each discharge adjusting member, which is close to a feed port of the screw extrusion pre-soaking machine, is hinged with a shell of the screw extrusion pre-soaking machine, the discharge adjusting members are connected with a discharge adjusting cylinder, and the discharge adjusting cylinder adjusts the distance between the discharge adjusting members and the screw extrusion rod.