CN110499662A - A method of it is produced using amphoteric starch and resistance to breaks not stratified paper - Google Patents
A method of it is produced using amphoteric starch and resistance to breaks not stratified paper Download PDFInfo
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- CN110499662A CN110499662A CN201910785759.8A CN201910785759A CN110499662A CN 110499662 A CN110499662 A CN 110499662A CN 201910785759 A CN201910785759 A CN 201910785759A CN 110499662 A CN110499662 A CN 110499662A
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- paper
- amphoteric starch
- starch
- amphoteric
- wet web
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
- D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
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Abstract
The resistance to method for breaking not stratified paper is produced using amphoteric starch the present invention relates to a kind of, comprising the following steps: amphoteric starch and clear water Heat Gelatinization and are diluted into the step of amphoteric starch glue is made after completely dissolution；Raw starch and clear water are sufficiently mixed the step of stirring is to be made raw starch liquid；Amphoteric starch glue obtained is added in paper pulp, the step of carrying out paper pulp allotment is sufficiently stirred；By deployed paper pulp the step of manufacture paper with pulp obtained wet web on long mesh paper making machine；In the step of spraying raw starch liquid on wet web；It mutually attaches and is combined into compound wet web, and carry out heat aging step to compound wet web；Compound wet web is dried, press polish, is batched, cut after resistance to the step of breaking not stratified paper is made；Deployed amphoteric starch glue is added in paper pulp, improves the intensity of staple fiber, raw starch liquid is uniformly sprayed between paper layer, the mucilage of starch after curing plays the role of improving the bond strength between paper layer, realizes and produces the resistance to purpose for breaking not stratified paper.
Description
Technical field
The invention belongs to pulp technology for making paper, and in particular to a kind of to produce the resistance to side for breaking not stratified paper using amphoteric starch
Method.
Background technique
As people's requirement for packing is increasing, people are also higher to the intensity requirement of wrapping paper, any is pointed out
Damage can all influence the damage of commodity in logistics progress, and current wrapping paper is all that multi-ply paper molding is combined again mostly, by
The problem of binding force between paper layer is inadequate, often will appear layering rupture, seriously affects the use of extrusion coating paper, thus having must
The resistance to production technology for breaking not stratified extrusion coating paper is studied.
Summary of the invention
Therefore, the resistance to method for breaking not stratified paper is produced using amphoteric starch the purpose of the present invention is to provide a kind of, passed through
Suction-operated of the cation to electronegative staple fiber in amphoteric starch glue, realizes the mesh for improving the structural strength of paper web
, and spray raw starch liquid between paper web and cured, to play the role of improving the bond strength between paper layer, Jin Ershi
Now produce the resistance to purpose for breaking not stratified paper.
To achieve the goals above, the invention provides the following technical scheme:
A method of it is produced using amphoteric starch and resistance to breaks not stratified paper, comprising the following steps:
(1) it prepares amphoteric starch glue: choosing amphoteric starch, be passed through in the first dissolving tank after powdered amphoteric starch, simultaneously
Clear water is passed through into the first dissolving tank, and being stirred continuously makes amphoteric starch and clear water be sufficiently mixed dissolution, and amphoteric starch liquid is made,
The dense glue of amphoteric starch is made in subsequent Heat Gelatinization amphoteric starch liquid, and the dense glue of amphoteric starch obtained is passed through in holding tank later,
And be passed through clear water in holding tank and stir, it is 0.5-2.0% that the dense glue of amphoteric starch, which is diluted to concentration, and amphoteric starch is made
Glue gives over to spare；
(2) it prepares raw starch liquid: being passed through clear water into the second dissolving tank, and raw starch is added, be sufficiently mixed stirring,
Raw starch liquid is made, stores spare；
(3) paper pulp is deployed: amphoteric starch glue made from step (1) being added in paper pulp, is sufficiently stirred, wherein both sexes
The additional amount of amylan is the 2-10% of paper pulp slurry amount；
(4) manufacture paper with pulp wet web: in step (3) deployed paper pulp carry out manufacturing paper with pulp on long mesh paper making machine be made at least two it is wet
Paper web；
(5) it sprays raw starch liquid: raw starch liquid obtained in step (2) uniformly being sprayed obtained to step (4)
On the paper of wet web；
(6) the compound curing of paper layer: the wet web for attaching raw starch liquid in step (5) on paper is attached and is had at one
There is the compound wet web of multilayer wet web, and compound wet web is transported in drying portion, the drying cylinder in drying portion is heated with ripe
Change the raw starch liquid in compound wet web；
(7) dry be made resistance to breaks not stratified paper: compound wet web after the curing of raw starch liquid through drying, press polish, batch,
It is made resistance to after cutting and breaks not stratified paper.
In step (1), the feeding amount of amphoteric starch is 3-10kg/min in the first dissolving tank, clear water in the first dissolving tank
Flow is 8-12m3/h。
In step (1), the Heat Gelatinization temperature of amphoteric starch liquid is 80-105 DEG C.
In step (1), the Heat Gelatinization time of amphoteric starch liquid is 5-120s.
In step (2), the additional amount for the raw starch being mixed in the second dissolving tank with clear water is 8-11kg/m3
Clear water.
The present invention in paper pulp the beneficial effects are as follows: be added deployed amphoteric starch glue, in amphoteric starch glue
Cation can effectively adsorb the electronegative staple fiber in paper pulp, to realize the purpose for the intensity for improving staple fiber, Jin Ershi
The purpose for now improving the structural strength of paper web, in amphoteric starch anion can effectively adsorb in paper pulp containing electropositive miscellaneous
Matter, can play the role of avoiding impurity in the paper making process aggregate and precipitate and influence normally to produce, improve the quality of paper product；
Raw starch liquid is uniformly sprayed between paper layer, then through subsequent high-temperature maturing process, raw starch liquid becomes mucilage of starch, through ripe
Mucilage of starch obtained plays the role of improving the bond strength between paper layer after change, and then realizes and produce the resistance to mesh for breaking not stratified paper
, it produces the resistance to paper inter-layer bonding force for breaking not stratified paper obtained and reaches not less than 600J/m2, the burst index of paper layer reaches not
Lower than 3.8Kpam2/g。
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the process flow chart of production method of the present invention；
Fig. 2 is the structural schematic diagram of amphoteric starch glue production system；
Fig. 3 is the structural schematic diagram of compound wet web production system；
Wherein, the 1, first dissolving tank；2, pipeline；3, injector；4, vapour source pipeline；5, coiled pipe；6, it pumps；7, it stores
Slot；8, motor；9, spiral pushing bar；10, shell；11, feed hopper；12, the second dissolving tank；13, medial launder；14, vat；
15, long mesh paper making machine；16, spacer screen；17, the first guide roller set；18, the second guide roller set；19, spray tube；20, the first wet web；21,
Two wet webs.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A method of it is produced using amphoteric starch and resistance to breaks not stratified paper, comprising the following steps:
(1) it prepares amphoteric starch glue: choosing amphoteric starch, be passed through in the first dissolving tank after powdered amphoteric starch, simultaneously
Clear water is passed through into the first dissolving tank, and being stirred continuously makes amphoteric starch and clear water be sufficiently mixed dissolution, and amphoteric starch liquid is made,
The dense glue of amphoteric starch is made in subsequent Heat Gelatinization amphoteric starch liquid, and the dense glue of amphoteric starch obtained is passed through in holding tank later,
And be passed through clear water in holding tank and stir, it is 0.5-2.0% that the dense glue of amphoteric starch, which is diluted to concentration, and amphoteric starch is made
Glue gives over to spare；
(2) it prepares raw starch liquid: being passed through clear water into the second dissolving tank, and raw starch is added, be sufficiently mixed stirring,
Raw starch liquid is made, wherein the additional amount of raw starch is 8-11kg/m3Clear water stores spare；
(3) paper pulp is deployed: amphoteric starch glue made from step (1) being added in paper pulp, is sufficiently stirred, wherein both sexes
The additional amount of amylan is the 2-10% of paper pulp slurry amount；
(4) manufacture paper with pulp wet web: in step (3) deployed paper pulp carry out manufacturing paper with pulp on long mesh paper making machine be made at least two it is wet
Paper web；
(5) it sprays raw starch liquid: raw starch liquid obtained in step (2) uniformly being sprayed obtained to step (4)
On the paper of wet web；
(6) the compound curing of paper layer: the wet web for attaching raw starch liquid in step (5) on paper is attached and is had at one
There is the compound wet web of multilayer wet web, and compound wet web is transported in drying portion, the drying cylinder in drying portion is heated with ripe
Change the raw starch liquid in compound wet web；
(7) dry be made resistance to breaks not stratified paper: compound wet web after the curing of raw starch liquid through drying, press polish, batch,
It is made resistance to after cutting and breaks not stratified paper.
In step (1), the feeding amount of amphoteric starch is 3-10kg/min in the first dissolving tank, clear water in the first dissolving tank
Flow is 8-12m3/h。
In step (1), the Heat Gelatinization temperature of amphoteric starch liquid is 80-105 DEG C.
In step (1), the Heat Gelatinization time of amphoteric starch liquid is 5-120s.
The invention has the benefit that deployed amphoteric starch glue is added in paper pulp, the cation in amphoteric starch
The electronegative staple fiber in paper pulp can be effectively adsorbed, to realize the purpose for the intensity for improving staple fiber, and then realizes and improves
The purpose of the structural strength of paper web, in amphoteric starch anion can effectively adsorb in paper pulp containing electropositive impurity, can be with
Play the role of avoiding impurity in the paper making process aggregate and precipitate and influence normally to produce, improve the quality of paper product；In paper layer
Between uniformly spray raw starch liquid, then after subsequent high-temperature maturing process, raw starch liquid becomes mucilage of starch, after curing
Mucilage of starch plays the role of improving the bond strength between paper layer, and then realizes and produce the resistance to purpose for breaking not stratified paper, production system
The resistance to paper inter-layer bonding force for breaking not stratified paper obtained reaches not less than 600J/m2, the burst index of paper layer, which reaches, to be not less than
3.8Kpa·m2/g。
Embodiment 1
A method of it is produced using amphoteric starch and resistance to breaks not stratified paper, comprising the following steps:
(1) prepare amphoteric starch glue: referring to Fig. 1 and Fig. 2, first selection amphoteric starch, due to amphoteric starch packaging with
And storage problem, before use, amphoteric starch powder can the group of being gathered into, influence be mixed process, first carry out out powder
Processing will assemble pockets of amphoteric starch loosely at powdered, and be sufficiently mixed stirring to facilitate, thus need to fill by opening powder
It is passed into the first dissolving tank 1 again after setting powdered amphoteric starch, it is past while amphoteric starch is passed into the first dissolving tank 1
It is constantly passed through clear water in first dissolving tank 1, and constantly stirring makes amphoteric starch and clear water be sufficiently mixed dissolution, both sexes are made
Starch fluid, the dense glue of amphoteric starch is made in subsequent Heat Gelatinization amphoteric starch liquid, for Heat Gelatinization amphoteric starch liquid, using steam
Amphoteric starch liquid in first dissolving tank 1 is passed into the injection that a structure is three-port structure by pipeline 2 by the mode of heating
In device 3, one of interface of injector 3 connects external steam source capsule road 4, and one interface of the residue of injector 3 is connected
For being gelatinized in the coiled pipe 5 of amphoteric starch liquid, amphoteric starch liquid is entered in injector 3 by pipeline 2, passes through steam source capsule
Road 4 is passed through 80 DEG C of high-temperature steam into injector, and high-temperature steam is sufficiently mixed with the amphoteric starch liquid in injector 3, to rise
To the effect of heating amphoteric starch liquid, the amphoteric starch liquid pump mixed with high-temperature steam is sent to coiled pipe 5 followed by pump 6
In, it is gelatinized amphoteric starch liquid sufficiently in coiled pipe 5, and controlling amphoteric starch liquid gelatinization time is 100s, both sexes are made
The dense glue of amphoteric starch obtained is passed through in holding tank 7 later, and is passed through clear water in holding tank 7 and stirs by the dense glue of starch, will
It is 1.5% that the dense glue of amphoteric starch, which is diluted to concentration, and amphoteric starch glue is made, gives over to spare；
Wherein, opening powder device includes motor 8, spiral pushing bar 9 and shell 10, and spiral pushing bar 9 is rotatably installed in shell
Inside 10, the output axis connection spiral pushing bar 9 of motor 8, the entrance of shell 10 is equipped with the charging for launching amphoteric starch
The outlet of bucket 11, shell 10 connects the first dissolving tank 1, and amphoteric starch enters in shell 10 from 11 bottom of feeding funnel, starting electricity
Machine 8 is to drive spiral pushing bar 9 to rotate, by controlling the velocity of rotation of motor 8, to set the feeding amount of amphoteric starch as 8kg/
Min, correspondingly, setting the flow of the clear water in the first dissolving tank 1 as 10m3/ h, under the driving effect of motor 8, spiral pushing
Amphoteric starch will be pushed to outlet from import by bar 9, and the amphoteric starch for leaving outlet will be fallen into the first dissolving tank 1,
Assembling pockets of amphoteric starch can be under the rotation push of spiral pushing bar 9 effect, and phase mutual friction causes powder ball to be dispersed into powder
Shape, and then realize the purpose for opening powder, be conducive to the mixing uniformity for improving amphoteric starch and clear water；
(2) it prepares raw starch liquid: referring to Fig. 3, being passed through clear water into the second dissolving tank 12, and raw starch is added, fill
Divide and be mixed, raw starch liquid is made, wherein the additional amount of raw starch is 9kg/m3Clear water, and will be stirred
Raw starch liquid be passed through into medial launder 13 store it is spare；
(3) paper pulp is deployed: referring to fig. 2, amphoteric starch glue obtained being added in vat 14, is sufficiently stirred with paper pulp
Mixing, wherein the additional amount of amphoteric starch glue is the 10% of paper pulp slurry amount；
(4) manufacture paper with pulp wet web: deployed paper pulp, which is carried out, to manufacture paper with pulp on long mesh paper making machine 15 is made at least two wet webs；
(5) it sprays raw starch liquid: referring to Fig. 3, first passing through two guide roller sets and successively convey multiple wet webs obtained
To spacer screen 16, then the raw starch liquid in medial launder 13 is passed into and is set up in the first guide roller set 17 and the second guide roller set 18
Between spray tube 19 in, spray tube 19 uniformly sprays raw starch liquid to being delivered to spacer screen 16 by the first guide roller set 17
On the first wet web 20 in, realize raw starch liquid uniform spray purpose；
(6) the compound curing of paper layer: referring to Fig. 3, with the transport of spacer screen 16, have the first of raw starch liquid on surface
Wet web 20 enters the lower section of the second guide roller set 18, is delivered to the second wet web on spacer screen 16 with by the second guide roller set 18
21 phases, which attach, to be combined, and to form between paper layer the compound wet web for being evenly equipped with starch fluid, compound wet web is transported to drying later
In portion, the drying cylinder in drying portion is heated to cure the raw starch liquid in compound wet web；
Wherein, the MULTILAYER COMPOSITE wet web that there are multiple wet webs to combine for production if necessary, it is only necessary in spacer screen 16
Traffic direction on set up multiple guide roller sets, and set up spray tube between guide roller set, production can be realized through the above steps
The purpose of MULTILAYER COMPOSITE wet web；
(7) dry be made resistance to breaks not stratified paper: compound wet web after the curing of raw starch liquid through drying, press polish, batch,
It is made resistance to after cutting and breaks not stratified paper.
It produces the resistance to paper inter-layer bonding force for breaking not stratified paper obtained and reaches 600J/m2, the burst index of paper layer reaches
3.8Kpa·m2/g。
Embodiment 2
A method of it is produced using amphoteric starch and resistance to breaks not stratified paper, comprising the following steps:
(2) prepare amphoteric starch glue: referring to Fig. 1 and Fig. 2, first selection amphoteric starch, due to amphoteric starch packaging with
And storage problem, before use, amphoteric starch powder can the group of being gathered into, influence be mixed process, first carry out out powder
Processing will assemble pockets of amphoteric starch loosely at powdered, and be sufficiently mixed stirring to facilitate, thus need to fill by opening powder
It is passed into the first dissolving tank 1 again after setting powdered amphoteric starch, it is past while amphoteric starch is passed into the first dissolving tank 1
It is constantly passed through clear water in first dissolving tank 1, and constantly stirring makes amphoteric starch and clear water be sufficiently mixed dissolution, both sexes are made
Starch fluid, the dense glue of amphoteric starch is made in subsequent Heat Gelatinization amphoteric starch liquid, for Heat Gelatinization amphoteric starch liquid, using steam
Amphoteric starch liquid in first dissolving tank 1 is passed into the injection that a structure is three-port structure by pipeline 2 by the mode of heating
In device 3, one of interface of injector 3 connects external steam source capsule road 4, and one interface of the residue of injector 3 is connected
For being gelatinized in the coiled pipe 5 of amphoteric starch liquid, amphoteric starch liquid is entered in injector 3 by pipeline 2, passes through steam source capsule
Road 4 is passed through 105 DEG C of high-temperature steam into injector 3, and high-temperature steam is sufficiently mixed with the amphoteric starch liquid in injector 3, with
Play the role of heating amphoteric starch liquid, be sent to the amphoteric starch liquid pump mixed with high-temperature steam followed by pump 6 snakelike
In pipe 5, it is gelatinized amphoteric starch liquid sufficiently in coiled pipe 5, and controlling amphoteric starch liquid gelatinization time is 120s, to be made two
The dense glue of amphoteric starch obtained, is passed through in holding tank 7, and be passed through clear water in holding tank 7 and stir by the property dense glue of starch later,
It is 2.0% that the dense glue of amphoteric starch, which is diluted to concentration, and amphoteric starch glue is made, gives over to spare；
Wherein, opening powder device includes motor 8, spiral pushing bar 9 and shell 10, and spiral pushing bar 9 is rotatably installed in shell
Inside 10, the output axis connection spiral pushing bar 9 of motor 8, the entrance of shell 10 is equipped with the charging for launching amphoteric starch
The outlet of bucket 11, shell 10 connects the first dissolving tank 1, and amphoteric starch enters in shell 10 from 11 bottom of feeding funnel, starting electricity
Machine 8 is to drive spiral pushing bar 9 to rotate, by controlling the velocity of rotation of motor 8, and then set the feeding amount of amphoteric starch as
10kg/min, correspondingly, setting the flow of the clear water in the first dissolving tank 1 as 10m by external pump3/ h, in motor 8
Under driving effect, amphoteric starch will be pushed to outlet from import by spiral pushing bar 9, and the amphoteric starch for leaving outlet will fall
Enter into the first dissolving tank 1, assembling pockets of amphoteric starch can be under the rotation push of spiral pushing bar 9 effect, phase mutual friction
Cause powder ball to be dispersed into powdered, and then realize the purpose for opening powder, is conducive to the mixing uniformity for improving amphoteric starch and clear water；
(2) it prepares raw starch liquid: referring to Fig. 3, being passed through clear water into the second dissolving tank 12, and raw starch is added, fill
Divide and be mixed, raw starch liquid is made, wherein the additional amount of raw starch is 11kg/m3Clear water, and will be stirred
Raw starch liquid be passed through into medial launder 13 give over to it is spare；
(3) paper pulp is deployed: referring to fig. 2, amphoteric starch glue obtained being added in vat 14, is sufficiently stirred with paper pulp
Mixing, wherein the additional amount of amphoteric starch glue is the 10% of paper pulp slurry amount；
(4) manufacture paper with pulp wet web: deployed paper pulp, which is carried out, to manufacture paper with pulp on long mesh paper making machine 15 is made at least two wet webs；
(5) it sprays raw starch liquid: referring to Fig. 3, first passing through two guide roller sets and successively convey multiple wet webs obtained
To spacer screen 16, then by the raw starch liquid in medial launder 13 by be set up in the first guide roller set 17 and the second guide roller set 18 it
Between spray tube 19 in, raw starch liquid is uniformly sprayed and is delivered on spacer screen 16 by the first guide roller set 17 by spray tube 19
The first wet web 20 in, realize raw starch liquid uniform spray purpose；
(6) the compound curing of paper layer: referring to Fig. 3, with the transport of spacer screen 16, have the first of raw starch liquid on surface
Wet web 20 enters the lower section of the second guide roller set 18, is delivered to the second wet web on spacer screen 16 with by the second guide roller set 18
21 phases, which attach, to be combined, and to form the compound wet web that interlayer is evenly equipped with starch fluid, compound wet web is transported to drying portion later
In, the drying cylinder in drying portion is heated to cure the raw starch liquid in compound wet web；
Wherein, the MULTILAYER COMPOSITE wet web that there are multiple wet webs to combine for production if necessary, it is only necessary in spacer screen 16
Traffic direction on set up multiple guide roller sets, and between guide roller set set up spray tube 19, life can be realized through the above steps
Produce the purpose of MULTILAYER COMPOSITE wet web；
(8) dry be made resistance to breaks not stratified paper: compound wet web after the curing of raw starch liquid through drying, press polish, batch,
It is made resistance to after cutting and breaks not stratified paper.
It produces the resistance to paper inter-layer bonding force for breaking not stratified paper obtained and reaches 650J/m2, the burst index of paper layer reaches
4.0Kpa·m2/g。
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, In
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. a kind of produce the resistance to method for breaking not stratified paper using amphoteric starch, which comprises the following steps:
(1) it prepares amphoteric starch glue: choosing amphoteric starch, be passed through in the first dissolving tank after powdered amphoteric starch, while toward the
Clear water is passed through in one dissolving tank, and being stirred continuously makes amphoteric starch and clear water be sufficiently mixed dissolution, amphoteric starch liquid is made, then
The dense glue of amphoteric starch is made in Heat Gelatinization amphoteric starch liquid, and the dense glue of amphoteric starch obtained is passed through in holding tank later, and
It is passed through clear water in holding tank and stirs, it is 0.5-2.0% that the dense glue of amphoteric starch, which is diluted to concentration, and amphoteric starch glue is made, stays
Make spare；
(2) it prepares raw starch liquid: being passed through clear water into the second dissolving tank, and raw starch is added, be sufficiently mixed stirring, be made
Raw starch liquid stores spare；
(3) paper pulp is deployed: amphoteric starch glue made from step (1) being added in paper pulp, is sufficiently stirred, wherein amphoteric starch
The additional amount of glue is the 2-10% of paper pulp slurry amount；
(4) manufacture paper with pulp wet web: deployed paper pulp, which carries out manufacturing paper with pulp on long mesh paper making machine, in step (3) is made at least two l Water Papers
Width；
(5) it sprays raw starch liquid: raw starch liquid obtained in step (2) uniformly being sprayed to l Water Paper made from step (4)
On the paper of width；
(6) the compound curing of paper layer: the wet web for attaching raw starch liquid in step (5) on paper is attached into one with more
The compound wet web of layer wet web, and compound wet web is transported in drying portion, the drying cylinder heating in drying portion is multiple to cure
Close the raw starch liquid in wet web；
(7) dry be made resistance to breaks not stratified paper: compound wet web after the curing of raw starch liquid through drying, press polish, batch, cut
After be made resistance to and break not stratified paper.
2. a kind of the resistance to method for breaking not stratified paper is produced using amphoteric starch according to claim 1, which is characterized in that step
Suddenly in (1), the feeding amount of amphoteric starch is 3-10kg/min in the first dissolving tank, and the flow of clear water is 8- in the first dissolving tank
12m3/h。
3. a kind of the resistance to method for breaking not stratified paper is produced using amphoteric starch according to claim 1, which is characterized in that step
Suddenly in (1), the Heat Gelatinization temperature of amphoteric starch liquid is 80-105 DEG C.
4. a kind of the resistance to method for breaking not stratified paper is produced using amphoteric starch according to claim 3, which is characterized in that step
Suddenly in (1), the Heat Gelatinization time of amphoteric starch liquid is 5-120s.
5. a kind of the resistance to method for breaking not stratified paper is produced using amphoteric starch according to claim 1, which is characterized in that step
Suddenly in (2), the additional amount for the raw starch being mixed in the second dissolving tank with clear water is 8-11kg/m3Clear water.
6. resistance to made from a kind of production of -5 either method according to claim 1 break not stratified paper.
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| CN201910785759.8A CN110499662A (en) | 2019-08-23 | 2019-08-23 | A method of it is produced using amphoteric starch and resistance to breaks not stratified paper |
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| CN201910785759.8A CN110499662A (en) | 2019-08-23 | 2019-08-23 | A method of it is produced using amphoteric starch and resistance to breaks not stratified paper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463427A (en) * | 2021-07-20 | 2021-10-01 | 重庆理文造纸有限公司 | Production system of environmental protection cardboard paper |
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| US6287420B1 (en) * | 2000-04-05 | 2001-09-11 | Voith Sulzer Paper Technology North America, Inc. | Multi-ply fiber web forming method and apparatus |
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