CN108221478A - A kind of immersion type surface sizing technique - Google Patents
A kind of immersion type surface sizing technique Download PDFInfo
- Publication number
- CN108221478A CN108221478A CN201810241595.8A CN201810241595A CN108221478A CN 108221478 A CN108221478 A CN 108221478A CN 201810241595 A CN201810241595 A CN 201810241595A CN 108221478 A CN108221478 A CN 108221478A
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- CN
- China
- Prior art keywords
- paper
- rubber roller
- lower rubber
- sizing agent
- sizing
- Prior art date
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- 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
- D21H17/005—Microorganisms or enzymes
-
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/04—Hydrocarbons
-
- 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
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
Abstract
The invention discloses a kind of immersion type surface sizing techniques, belong to sizing paper products technical field, technical points include the homodisperse of sizing agent, boiling and promote glue spraying, the extruding gluing of upper lower rubber roller, and sizing agent overflow, reflux after pass through by vibrating screen removal of impurities processing after back flow back into back in dispersion slot, it moves in circles successively, you can complete the sizing operation to paper products.The glue-applying technique of the present invention can effectively reduce the generation of disconnected paper phenomenon, improve the production efficiency of paper by controlling the viscosity of starch, the diameter of concentration and upper lower rubber roller and width of buckling；In addition setting vulcanie covers and soft rubber set, the leak adhesive phenomenon of lower rubber roller in reduction, while is further reduced the probability for resolving paper, improves the efficiency of paper production.
Description
Technical field
The invention belongs to sizing paper products technical field, more specifically, it relates to a kind of immersion type surface sizing technique.
Background technology
Paper slurry (raw material) is molded via 1, screen cloth：Paper slurry and other additives are slowly molded into paper on screen cloth
；2nd, it squeezes：By applying certain pressure on screen cloth and molding paper, and extra moisture is flowed out via screen cloth lower section,
Obtain the paper that mass dryness fraction is 48%；3rd, front baking (i.e. first time drying and processing)：Paper is transferred to dryer by transmitting device
It is interior, 120-180 DEG C of steam is passed through in baking oven to improve baking oven stabilization, obtains the paper that mass dryness fraction is 92-93%；4th, it is glued：
Paper after above-mentioned drying is continued to be transferred in size applicator, after upper sebific duct glue spraying, is made under the squeezing action of upper lower rubber roller
The tow sides of paper can be uniformly coated in by obtaining sizing agent, you can complete glue spraying operation；5th, it is rear to dry：Paper internal cause is glued
And increased moisture drying, obtain the paper that mass dryness fraction is 92-93%；6th, it batches：Paper after drying is wound；7th, it is multiple
Volume：The operating process that paper after winding is wound again at excision trimming angle and after being cut into the paper of multiple specific lengths.
Thus it can be prepared by finished paper after the operation of above-mentioned seven step.
Wherein, surface size press is one of one important equipment of paper machine, and the physics that paper can be improved by the equipment refers to
Mark, surface water-resistance energy, surface strength of paper and fine and smooth degree, traditional top sizing use horizontal size press more, i.e.,
Usual two horizontally disposed rollers force together, and glue forms the Jiao Chi of a glue tapered region above pressure area, and page leads to
Cross Jiao Chi, glue is continuous, uniformly, steadily impregnates, permeates and the two sides of rubber roller extruded paper, adsorbs certain sizing material, into paper
Surface forms one layer of very thin film layer.But the drawback is that speed is restricted, the too low temperature that can reduce glue of liquid level at glue pond,
Increase foam.
At present, existing glue-applying technique is mostly surface sizing technique, in paper (such as more than the 100g for producing high grammes per square metre
Corrugated paper) when can obtain preferable ring crush intensity.But with the development of economy, the demand of the paper of low grammes per square metre is day by day
Increase, be then susceptible to disconnected paper phenomenon in paper (such as corrugated paper of 85g) that low grammes per square metre is produced using above equipment, produce
It is less efficient.Therefore it needs to propose a kind of new technical solution to solve the above problems.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of immersion type surface sizing technique, energy
Enough generations for effectively reducing disconnected paper phenomenon improve the production efficiency of paper.
To achieve the above object, the present invention provides following technical solutions：A kind of immersion type surface sizing technique, including with
Lower operating procedure,
Step S1, the configuration of sizing agent：The sizing agent includes food starch, amylase and water, the concentration of the food starch
For 4-6%, viscosity 20-25%；
Step a, food starch, water are put into dispersion slot together with the sizing agent after screening process according to proportioning and stirred
It is even；
Step b, it is added in boiling tank after heating water to 93-95 DEG C, turn on agitator, then by the food in the dispersion slot
It is put into the boiling tank and stirred evenly with starch and amylase, be warming up to 95 DEG C after stirring 30-45min, heat preservation boiling 1h
After obtain sizing agent；
Step c, the sizing agent in the boiling tank is added in into propyl benzene sizing agent, aluminum sulfate and antifoaming agent while stirring, stirred
It is transferred to after being cooled to 80-90 DEG C after 20-25min in gluing bucket and carries out heat preservation storage；
Step S2, the paper after 92% mass dryness fraction will be dried to be transmitted in size applicator through delivery roll, then obtains step c
The boosted pump of sizing agent is transported in sebific duct, and be sprayed between upper lower rubber roller by nozzle；Then paper passes through upper lower rubber roller
Between gap, and make under lower rubber roller mutually squeezes on described sizing agent uniformly be coated in paper tow sides；
Step S3, the paper after the completion sizing of step S2 is exported via guide roller out of described size applicator.
By using above-mentioned technical proposal, matched using food starch, amylase and postponed and the sizing agent one after screening process
It rises and carries out homodisperse processing, saved raw material, improved the recycling rate of waterused of sizing agent.Then hot water will be added in stir
It mixes to match to postpone that sizing agent is drained into gluing bucket again and keep in, while will use elevator pump that will mention upper glue roller on sizing agent
Interior, a part of sizing agent is sprayed on the both sides of paper by nozzle；And the sizing agent of another part is flowed back into dispersion slot again
It reuses, improves the recycling rate of waterused of sizing agent.Then, paper makes paper just via the squeezing action of upper and lower pressure roller
Anti- both sides uniformly coat the very thin sizing agent of last layer, while control the concentration and viscosity of starch so that sizing treated paper
Moisture on reduces, and improves the mass dryness fraction (i.e. unit is divided amount of starch equally and accordingly reduced) of paper, thus optimizes
The spread of paper, while the generation of disconnected paper phenomenon can also be effectively reduced, further improve the production efficiency of paper.
The present invention is further arranged to：In step s 2, sizing agent extra between the upper lower rubber roller from it is described up and down
The both sides of rubber roller are flowed into recycling bins, and together with sizing agent extra in upper sebific duct via conduit be flowed into vibrating screen into
Row screening process.
Sizing agent after sizing operates with paper or air during contacting, since sizing agent is very viscous
Thick, many impurity of meeting gluing or paper hair, if reusing the quality that can influence sizing agent at this time, therefore pass through in sizing agent
Using above-mentioned technical proposal, vibrating screen is installed in the top of dispersion slot, can improve after vibrating screen screens enters point
The quality of slot sizing agent is dissipated, the total quality and effect of sizing agent are thereby ensured that, so as to help to improve the matter of paper products
Amount.
The present invention is further arranged to：Sieve is equipped in the vibrating screen, the sieve is the metal mesh of 40 mesh.
By using above-mentioned technical proposal, using the metal mesh of 40 mesh as sieve, metal mesh purpose quality is preferable, side
Operator use and clean, and will not exert an adverse impact to metal mesh, make so as to help to extend vibrating screen
Use the service life.
The present invention is further arranged to：In step s 2, through the vibrating screen, treated that sizing agent imported into institute again
It states in dispersion slot.
By using above-mentioned technical proposal, the sizing agent after screening cleans, quality has obtained effective promotion, at this time again
Secondary recycling will not have an impact paper quality, while can also save the dosage of sizing agent, cost-effective, improve sizing
The recycling rate of waterused of agent.
The present invention is further arranged to：In step s 2, not by the sizing agent of the vibrating screen after sewer pipe discharge
Carry out regrading processing.
The impurity level also having in sizing agent after cycle is multiple is more, can not accumulated by the sizing agent of vibrating screen at this time
In the top of sieve, the sizing agent accumulated can influence the efficiency of later stage screening, therefore by using above-mentioned technical proposal, will not lead to
The sizing agent for the vibrating screen crossed is discharged out of sewer pipe, and the quality of sizing agent is purified after using screening process again, is led again
Enter and re-used into dispersion slot, saved resource, further improve the service efficiency of sizing agent.
The present invention is further arranged to：100 parts of food starch, 0.05-0.1 parts of amylase, 0.05-0.1 parts of propyl benzene sizings
Agent, 0.05-0.1 parts of aluminum sulfate, 0.02-0.05 parts of antifoaming agent and water surplus are supplied.
By using above-mentioned technical proposal, the main component in propyl benzene sizing agent is propyl benzene, can be used as adhesive,
It is used cooperatively with adhesive such as food starch.And aluminum sulfate can adjust pH value first, ensure sizing agent in faintly acid, next sulphur
Sour aluminium also has the effect for neutralizing paper surface anionic trash；Aluminum sulfate is positively charged simultaneously, and fiber is negatively charged, increases tiny
Fiber and filler are kept, and accelerate wet end dehydration, help that the mass dryness fraction of paper is turned up.In addition, the presence of antifoaming agent mainly can
Reduction generates foam during sizing agent is prepared, and the generation of the bubble of paper surface, has during so as to advantageously reduce sizing
Help improve the uniformity after paper sizing.
The present invention is further arranged to：The food starch is cornstarch, sweet potato starch, wild acorn starch and pueraria lobata
One or more in starch.
By using above-mentioned technical proposal, cornstarch, sweet potato starch, wild acorn starch and pueraria starch are common
Starches, the plants such as corn, sweet potato are not only cheap in addition, but also content of starch is high, and in wild acorn nut and pueraria lobata
Also there is more content of starch, therefore also can ensure that the supply and source of supply of starch as the source of supply of starch with this
Diversity.
The present invention is further arranged to：The size applicator includes the upper sebific ducts of upper lower rubber roller and two, and paper is from described
Gap between lower rubber roller passes through, and the upper sebific duct is arranged on the top of lower rubber roller, the both ends difference of the every upper sebific duct
Extend along the length direction of the upper lower rubber roller, and be equipped with several nozzles, the head of the nozzle is mutual towards upper lower rubber roller
The position of extruding is obliquely installed.
By using above-mentioned technical proposal, paper is passed through from the gap between upper lower rubber roller, at the same by sizing agent via
Nozzle is flowed into the V-type position between lower rubber roller, and the overflow at above-mentioned V-type position, thereby increases paper and sizing agent
Between contact area so that the tow sides of paper are carried out at the same time sizing, and efficiency is higher.
The present invention is further arranged to：The upper lower rubber roller includes the upper glue roller and lower rubber roller that mutually squeeze, the gluing
The vulcanie set of 100 hardness is arranged on roller；The soft rubber set of 92 hardness is arranged on the lower rubber roller.
By using above-mentioned technical proposal, the vulcanie set of 100 hardness is arranged on upper glue roller, and is arranged on lower rubber roller
There is the soft rubber set of 92 hardness, the gap that paper is rushed between lower rubber roller at this time passes through, and upper lower rubber roller mutually squeezes paper, soft
Certain elastic deformation can occur for matter rubber sleeve, thus can reduce the leak adhesive phenomenon of lower rubber roller, can ensure sizing agent from
The both sides of upper lower rubber roller, which are flowed back into recycling bins, to be collected, and effectively increases the recycling efficiency of sizing agent.It is in addition, soft
The elastic deformation ability of rubber sleeve can also reduce the probability of disconnected paper, improve the efficiency of paper production.
The present invention is further arranged to：The soft rubber set is in the low arch in intermediate high both ends, the upper lower rubber roller
Width of buckling is 15-20 millimeters.
By using above-mentioned technical proposal, on the one hand arch setting improves the tight ness rating squeezed between lower rubber roller, has
Effect reduces the leak adhesive phenomenon of lower rubber roller.On the other hand can also increase upper lower rubber roller centre towards what both sides were flowed to become
Gesture improves the efficiency and speed of reflux, very convenient.
In conclusion the invention has the advantages that：
1st, the present invention can be reduced effectively by controlling the viscosity of starch, the diameter of concentration and upper lower rubber roller and width of buckling
The generation of paper phenomenon is resolved, improves the production efficiency of paper；
2nd, by setting vibrating screen, the total quality and effect of sizing agent be ensure that, so as to help to improve the quality of paper products；
3rd, by setting vulcanie set and soft rubber set, help to reduce the leak adhesive phenomenon of lower rubber roller, while can also subtract
The probability of disconnected paper less improves the efficiency of paper production.
Description of the drawings
Fig. 1 is the stereogram of the present embodiment 1；
Fig. 2 is the left view of the present embodiment 1, is mainly used for embodying between the transmission process of paper and paper and upper lower rubber roller
Relative position relation；
Fig. 3 is the stereogram of 1 another angle of the present embodiment, is mainly used for embodying dispersion slot, boiling tank, blender and gluing bucket
Between relative position and connection relation；
Fig. 4 is the configuration flow figure of sizing agent in the present embodiment 9.
Description of the drawings：1st, dispersion slot；2nd, boiling tank；3rd, blender；4th, bucket is glued；5th, paper；6th, delivery roll；7th, sizing dress
It puts；8th, elevator pump；9th, upper sebific duct；10th, nozzle；11st, upper lower rubber roller；12nd, guide roller；13rd, recycling bins；14th, conduit；15th, it vibrates
Sieve；16th, sieve；17th, sewer pipe；18th, upper glue roller；19th, lower rubber roller；20th, vulcanie set；21st, soft rubber set.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment 1：A kind of immersion type surface sizing technique, for the surface sizing method of AA grades of high-strength corrugated base papers, it
Including following operating procedure：
Step S1, the configuration of sizing agent：According to the component meter of parts by weight, sizing agent includes 100 parts of food starch, 0.05-0.1
Part amylase, 0.05-0.1 parts of propyl benzene sizing agents, 0.05-0.1 parts of aluminum sulfate, 0.02-0.05 parts of antifoaming agent and water surplus are mended
Foot.Wherein, a concentration of 4-6% of food starch, viscosity are 20 lower rubber roller 19-25%；And the model of amylase：Liquid
2589 amylase.
Step a, food starch, water are put into according to proportioning in dispersion slot 1 and stirred evenly together.Wherein, the edible shallow lake
Powder is cornstarch and the mixing starch of sweet potato starch.
Step b, it is added to after heating water to 93-95 DEG C in boiling tank 2, turn on agitator 3, it then will be in dispersion slot 1
Food starch and amylase put into boiling tank 2 and stir evenly, be warming up to 95 DEG C after stirring 30-45min, heat preservation boiling 1h
After obtain sizing agent.
Step c, the sizing agent in boiling tank 2 is added in into propyl benzene sizing agent, aluminum sulfate and antifoaming agent while stirring, stirred
It is transferred to after being cooled to 80-90 DEG C after 20-25min in gluing bucket 4 and carries out heat preservation storage.
Step S2, the paper 5 after 92% mass dryness fraction will be dried to be transmitted in size applicator 7 through delivery roll 6, then by step
The boosted pump 8 of sizing agent that c is obtained is transported in sebific duct 9, and be sprayed between upper lower rubber roller 11 by nozzle 10.Then paper
5 gap across upper lower rubber roller 11, and sizing agent is made uniformly to be coated in paper 5 in the case where upper lower rubber roller 11 mutually squeezes
Tow sides.
Step S3, the paper 5 after the completion sizing of step S2 is exported via guide roller 12 out of size applicator 7.
Wherein, paper slurry (raw material) be molded, squeeze via screen cloth, front baking, sizing, drying afterwards, batch with after winding operations
It can be prepared by finished paper.And size applicator 7 can be used in coating sizing agent in the positive and negative both sides of paper 5, to improve paper 5
Good liquid-repellency energy and conformability improve the physical strength of paper 5 and reduce the dual character and deformation of paper.Such as Fig. 1 and Fig. 2
Shown, size applicator 7 includes upper glue roller 18, lower rubber roller 19 and two upper sebific ducts 9.Wherein, upper glue roller 18 and lower rubber roller 19 is straight
Diameter is 850-950cm, and upper glue roller 18 is rotated backward with lower rubber roller 19 and is mutually squeezed；Paper 5 is transported to from delivery roll 6 simultaneously
Between upper lower rubber roller 11, and passed through between upper lower rubber roller 11.Meanwhile every upper sebific duct 9 is along upper glue roller 18 or lower rubber roller 19
Length direction extension, and mounted on upper glue roller 18 or the top of lower rubber roller 19.Interval is equipped with 13 on sebific duct 9 on every
A nozzle 10, the head of every nozzle 10 are obliquely installed towards the position that upper lower rubber roller 11 mutually squeezes.Thus paper 5 can portion
Divide and be immersed in sizing agent, improve the contact area between paper 5 and sizing agent, further improve the sizing effect of paper 5
Rate.
In order to reduce leak adhesive phenomenon, as shown in Fig. 2, above-mentioned upper lower rubber roller 11 includes the upper glue roller 18 mutually squeezed and lower glue
The vulcanie set 20 of 100 hardness is arranged on roller 19, wherein upper glue roller 18；And the soft of 92 hardness is arranged on lower rubber roller 19
Rubber sleeve 21.Soft rubber set 21 is in the low arch in intermediate high both ends simultaneously, and the width of buckling of upper lower rubber roller 11 is 15-20 milli
Rice.
In order to facilitate the configuration of sizing agent, as shown in figure 3, being equipped with dispersion slot 1, boiling tank in the lower section of upper lower rubber roller 11
2 and gluing bucket 4.Wherein, the elevator pump 8 installed on the side wall of gluing bucket 4 can carry the sizing agent in gluing bucket 4
It is raised in sebific duct 9 and carries out sizing processing.
Embodiment 2：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：Food starch is corn
The mixing starch of starch, sweet potato starch and pueraria starch.
Embodiment 3：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：Food starch is corn
The mixing starch of starch, wild acorn starch and pueraria starch.
Embodiment 4：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：Food starch is wild
Acorn starch.
Embodiment 5：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：Food starch is corn
Starch, sweet potato starch, wild acorn starch and pueraria starch mixing starch.
Embodiment 6：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：In step s 2, on
Extra sizing agent can be flowed into from the both sides of upper lower rubber roller 11 in recycling bins 13 between lower rubber roller 11, and with it is more in upper sebific duct 9
Remaining sizing agent is flowed into vibrating screen 15 via conduit 14 carries out screening process together.Wherein, vibrating screen 15 is mounted on dispersion
The top of slot 1, while above-mentioned vibrating screen 15 is the vibrating screen 15 that eccentric wheel drives, and sieve 16 is installed in vibrating screen 15, on
State the metal mesh that sieve 16 is 40 mesh.Thus reflux or overflow sizing agent can via after the screening process of vibrating screen 15 again
Secondary enter in dispersion slot 1 is re-used, and effectively increases the utilization rate of sizing agent.
Embodiment 7：A kind of immersion type surface sizing technique, as shown in figures 1 and 3, including following operating procedure：
Step S1, the configuration of sizing agent：According to the component meter of parts by weight, sizing agent includes 100 parts of food starch, 0.05-0.1
Part amylase, 0.05-0.1 parts of propyl benzene sizing agents, 0.05-0.1 parts of aluminum sulfate, 0.02-0.05 parts of antifoaming agent and water surplus are mended
Foot.Wherein, a concentration of 4-6% of food starch, viscosity are 20 lower rubber roller 19-25%；And the model of amylase：Liquid
2589 amylase.
In step a, by food starch, water according to proportioning, dispersion slot 1 is put into together with the sizing agent after screening process
Inside stir evenly.Wherein, which is sweet potato starch.
Step b, it is added to after heating water to 93-95 DEG C in boiling tank 2, turn on agitator 3, it then will be in dispersion slot 1
Food starch and amylase put into boiling tank 2 and stir evenly, be warming up to 95 DEG C after stirring 30-45min, heat preservation boiling 1h
After obtain sizing agent.
Step c, the sizing agent in boiling tank 2 is added in into propyl benzene sizing agent, aluminum sulfate and antifoaming agent while stirring, stirred
It is transferred to after being cooled to 80-90 DEG C after 20-25min in gluing bucket 4 and carries out heat preservation storage.
Step S2, the paper 5 after 92% mass dryness fraction will be dried to be transmitted in size applicator 7 through delivery roll 6, then by step
The boosted pump 8 of sizing agent that c is obtained is transported in sebific duct 9, and be sprayed between upper lower rubber roller 11 by nozzle 10.Then paper
5 gap across upper lower rubber roller 11, and mutually being squeezed in upper lower rubber roller 11 makes sizing agent uniformly be coated in paper 5 just
Anti- two sides.
Then, sizing agent extra between upper lower rubber roller 11 can be flowed into recycling bins 13 from the both sides of upper lower rubber roller 11
It is interior, and be flowed into vibrating screen 15 via conduit 14 together with sizing agent extra in upper sebific duct 9 and carry out screening process.Wherein,
Vibrating screen 15 is mounted on the top of dispersion slot 1, while above-mentioned vibrating screen 15 is the vibrating screen 15 that eccentric wheel drives, and in vibrating screen
Sieve 16 is installed, above-mentioned sieve 16 is the metal mesh of 40 mesh in 15.
Then, it back flows back into from conduit 14 through treated the sizing agent of vibrating screen 15 and is reused into dispersion slot 1；And not
Regrading processing is carried out after the discharge of sewer pipe 17 by the sizing agent of vibrating screen 15.
Step S3, the paper 5 after the completion sizing of step S2 is exported via guide roller 12 out of size applicator 7.
Embodiment 8：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：In step a, it will eat
With starch, water according to proportioning, put into dispersion slot 1 and stir evenly together with the sizing agent after screening process.Wherein, this is edible
Starch is cornstarch and the mixing starch of sweet potato starch.
Embodiment 9：A kind of immersion type surface sizing technique, with embodiment 1 the difference lies in：The adaptation step of sizing agent
It is rapid different.As shown in figure 4, the configuration method of above-mentioned sizing agent specifically includes following operating procedure：
The food starch being stored in starch storehouse (food starch is mainly cornstarch) is carried out via metering screw first
It is added in dispersion slot 1 together with water after weighing and carries out homodisperse processing, the starch concentration for presetting dispersion slot at this time is
25%；Mixing processing is carried out after then adding in amylase；Then by above-mentioned beautiful surface starch after mixing through vibrating screen
Through being transported in boiling tank 2 by injector one, and under the action of steam after 15 progress screening process, raising temperature to 75-80
Boilery reason is carried out after DEG C.
Then the cornstarch colloid mixture in above-mentioned boiling tank 2 is transferred to enzyme reaction slot inside holding 1h so that corn
Starch carries out tentatively being gelatinized reaction under the action of amylase；Then discharge auger pump under the action of via injector two again
It is transferred in boiling tank 2, the temperature for increasing boiling tank 2 at this time continues to be gelatinized reaction 15-20min to 125 DEG C, controls viscosity model
It encloses：20mPas~40mPas (63 DEG C, 8% concentration under), so cycle 3-4 times.
Finally the sizing agent in boiling tank 2 is imported into after removing excess steam in gluing bucket 4 through steam separator
The configuration operation to above-mentioned sizing agent can be completed.
Experiment one：The ring pressure detection of paper
Subjects：Using embodiment 1-9 as test sample, the paper of 10 groups of 85g, 90g, 100g, 110g and 120g are taken respectively (i.e.
AA grades of high-strength corrugated base papers) sample tested；By the body paper for not carrying out sizing processing as a comparison case, while 10 are taken respectively
The comparative sample of group 85g, 90g, 100g, 110g and 120g are tested.
Test method：According to the ring pressure detection method of paper：1st, pattern is taken after unloading paper；2nd, pattern is put into ring pressure from left side
Sampler is held handle and is pressed；3rd, pattern 152*12.7mm is cut, sample is taken out below sampler.4th, ring is selected according to grammes per square metre
Test stand is pressed, paper slip is inserted into test stand；5th, test stand among pressing plate and pallet is put into, be placed in the middle part of lower platen；6、
It is quantified by " quantitative " key input pattern, presses the test of " test " key；7th, data, reference standard differentiation, record are read, takes out test stand
Playback.
Result of the test：The testing result of every group of paper meets the data shown in the following table 1 in test sample 1-9；And comparative sample 1
Detection data average value except 1 limited range of table.It can thus be appreciated that paper made from test sample 1-9 meets paper
Ring pressure examination criteria.
The standard ring pressure detection data of 1 AA grades of high-strength corrugated base paper of table
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
The modification of no creative contribution can be made to the present embodiment as needed after this specification is read, but as long as in this hair
It is all protected in bright right by Patent Law.
Claims (10)
1. a kind of immersion type surface sizing technique, it is characterised in that：Including following operating procedure,
Step S1, the configuration of sizing agent：The sizing agent includes food starch, amylase, propyl benzene sizing agent, aluminum sulfate, defoaming
Agent and water, a concentration of 4-6% of the food starch, viscosity 20-25%；
Step a, food starch, water are put into dispersion slot according to proportioning together with the sizing agent after screening process（1）Interior stirring
Uniformly；
Step b, boiling tank is added to after heating water to 93-95 DEG C（2）It is interior, turn on agitator（3）, then by the dispersion slot
（1）Interior food starch and amylase puts into the boiling tank（2）It inside stirs evenly, 95 is warming up to after stirring 30-45min
DEG C, obtain sizing agent after heat preservation boiling 1h；
Step c, by the boiling tank（2）Interior sizing agent adds in propyl benzene sizing agent, aluminum sulfate and antifoaming agent while stirring, stirs
It mixes and is transferred to gluing bucket after being cooled to 80-90 DEG C after 20-25min（4）Inside carry out heat preservation storage；
Step S2, the paper after 92% mass dryness fraction will be dried to（5）Through delivery roll（6）It is transmitted to size applicator（7）It is interior, it then will step
The boosted pump of sizing agent that rapid c is obtained（8）It is transported to sebific duct（9）It is interior, and by nozzle（10）It is sprayed at lower rubber roller（11）It
Between；Then paper（5）Across upper lower rubber roller（11）Between gap, and the lower rubber roller on described（11）Make sizing under mutually squeezing
Agent is uniformly coated in paper（5）Tow sides；
Step S3, by the paper after the completion sizing of step S2（5）Via guide roller（12）From the size applicator（7）Inside lead
Go out.
2. a kind of immersion type surface sizing technique according to claim 1, it is characterised in that：In step s 2, on described
Lower rubber roller（11）Between extra sizing agent from the upper lower rubber roller（11）Both sides be flowed into recycling bins（13）It is interior, and with gluing
Pipe（9）Interior extra sizing agent is together via conduit（14）It is flowed into vibrating screen（15）Interior carry out screening process.
3. a kind of immersion type surface sizing technique according to claim 2, it is characterised in that：The vibrating screen（15）Inside set
There is sieve（16）, the sieve（16）Metal mesh for 40 mesh.
4. a kind of immersion type surface sizing technique according to claim 3, it is characterised in that：In step s 2, through described
Vibrating screen（15）Treated, and sizing agent imported into the dispersion slot again（1）It is interior.
5. a kind of immersion type surface sizing technique according to claim 4, it is characterised in that：In step s 2, do not pass through
The vibrating screen（15）Sizing agent from sewer pipe（17）Regrading processing is carried out after discharge.
6. a kind of immersion type surface sizing technique according to any one in claim 1-5, it is characterised in that：It is described to apply
Jelly includes the component of following parts by weight：100 parts of food starch, 0.05-0.1 parts of amylase, 0.05-0.1 parts of propyl benzene sizings
Agent, 0.05-0.1 parts of aluminum sulfate, 0.02-0.05 parts of antifoaming agent and water surplus are supplied.
7. a kind of immersion type surface sizing technique according to claim 6, it is characterised in that：The food starch is corn
One or more in starch, sweet potato starch, wild acorn starch and pueraria starch.
8. a kind of immersion type surface sizing technique according to claim 7, it is characterised in that：The size applicator（7）Packet
Include lower rubber roller（11）With two upper sebific ducts（9）, paper（5）From the upper lower rubber roller（11）Between gap pass through, it is described on
Sebific duct（9）It is arranged on lower rubber roller（11）Top, the every upper sebific duct（9）Both ends respectively along the upper lower rubber roller
（11）Length direction extension, and equipped with several nozzles（10）, the nozzle（10）Head towards upper lower rubber roller（11）Mutually
The position of extruding is obliquely installed.
9. a kind of immersion type surface sizing technique according to claim 8, it is characterised in that：The upper lower rubber roller（11）Packet
Include the upper glue roller mutually squeezed（18）And lower rubber roller（19）, the upper glue roller（18）On be arranged with the vulcanie sets of 100 hardness
（20）；The lower rubber roller（19）On be arranged with the soft rubber sets of 92 hardness（21）.
10. a kind of immersion type surface sizing technique according to claim 9, it is characterised in that：The soft rubber set
（21）In the low arch in intermediate high both ends, the upper lower rubber roller（11）Width of buckling for 15-20 millimeters.
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| CN109811588A (en) * | 2019-03-14 | 2019-05-28 | 河南大指造纸装备集成工程有限公司 | A kind of dual-purpose paper machine coating sizing applicator |
| CN111570549A (en) * | 2020-06-09 | 2020-08-25 | 程新华 | Processing device for building decorating parts |
| CN114855506A (en) * | 2022-06-16 | 2022-08-05 | 浙江科技学院 | Resin impregnation device of base paper for high-performance carbon paper |
| CN116334954A (en) * | 2023-05-15 | 2023-06-27 | 北京汇聚鑫贸易有限公司 | Sizing process for coated paperboard |
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| CN108221478B (en) | 2020-08-21 |
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Effective date of registration: 20201224 Address after: 333 Zhennan East Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province, 314200 Patentee after: Jiaxing Rongsheng packaging material Co.,Ltd. Address before: 588 Zhennan East Road, Pinghu Economic Development Zone, Jiaxing, Zhejiang, 314213 Patentee before: ZHEJIANG RONGSHENG PAPER INDUSTRY HOLDING Co.,Ltd. |