CN109537350A - Production process for producing high-strength corrugated paper by using waste paper - Google Patents
Production process for producing high-strength corrugated paper by using waste paper Download PDFInfo
- Publication number
- CN109537350A CN109537350A CN201811541430.9A CN201811541430A CN109537350A CN 109537350 A CN109537350 A CN 109537350A CN 201811541430 A CN201811541430 A CN 201811541430A CN 109537350 A CN109537350 A CN 109537350A
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- Prior art keywords
- corona
- paper
- level
- epoxy resin
- water paper
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Links
- 239000010893 paper waste Substances 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 238000004513 sizing Methods 0.000 claims abstract description 70
- 238000001035 drying Methods 0.000 claims abstract description 43
- 238000004537 pulping Methods 0.000 claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 15
- 238000012216 screening Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 123
- 239000007921 spray Substances 0.000 claims description 100
- 239000002245 particle Substances 0.000 claims description 64
- 239000003822 epoxy resin Substances 0.000 claims description 63
- 229920000647 polyepoxide Polymers 0.000 claims description 63
- 229920001131 Pulp (paper) Polymers 0.000 claims description 56
- 239000007788 liquid Substances 0.000 claims description 47
- 239000002002 slurry Substances 0.000 claims description 42
- 239000000835 fiber Substances 0.000 claims description 33
- 239000002893 slag Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 19
- 238000003851 corona treatment Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 18
- 238000005516 engineering process Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 9
- 208000002173 dizziness Diseases 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- 238000004033 diameter control Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000002663 nebulization Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000001351 cycling effect Effects 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 230000002344 fibroplastic effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 235000015110 jellies Nutrition 0.000 claims description 3
- 239000008274 jelly Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000011085 pressure filtration Methods 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- D21F11/12—Making corrugated paper or board
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/52—Epoxy resins
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses a production process for producing high-strength corrugated paper by using waste paper, which comprises a pulping step, a low-concentration deslagging step, a low-concentration pressure filtration step, a high-concentration deslagging step, a high-concentration pressure filtration step, a pulp grinding step, a screening step, a pulp blending step, a papermaking forming step, a corona ionization strengthening treatment step, a wet paper drying and squeezing step, a first vacuum suction step, a second-stage drying step, a surface corona sizing step, a surface sizing step, a third-stage drying step and the like, and finally a corrugated paper finished product is obtained by rolling.
Description
Technical field
The present invention relates to using waste paper to produce corrugated paper technical field, high-strength watt is produced using waste paper more particularly, to a kind of
The production technology of stupefied paper.
Background technique
Corrugated paper is produced using waste paper, waste paper is recycled, while protecting ecology ring mirror, reduces production corrugated paper
Production cost, tool have very great significance.
However, since the waste paper of recycling may be the litter decoration or waste paper obtained by secondary papermaking or three times paper production
The physical property of plate, the fiber in waste paper will be greatly reduced, and use waste paper production corrugated paper, it is necessary in subsequent papermaking
Process adds various chemical substances again, the surface sizing technique in paper making process, and promotes the physical property at paper
One of key link adds various chemicals in surface size, to promote the physical property of corrugated paper produced, therefore
It is necessary to be improved.
Summary of the invention
In view of the deficienciess of the prior art, producing high-strength corrugated paper using waste paper the object of the present invention is to provide a kind of
Production technology reduces paper grade (stock) water, reduces the investment and additive amount of chemical substance, and production process is more energy-saving and environmentally friendly, and raw
It produces and obtains high-intensitive corrugated paper.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of production technology using waste paper production high-strength corrugated paper, includes the following steps,
Pulping step injects the cycling use of water of papermaking enterprise to pulping bucket, and will in the waste paper investment pulping bucket of recycling
Strip waste paper is fragmented into jelly, shunts the slurry in pulping bucket to obtain waste paper pulp；
Waste paper pulp is sequentially delivered to low dense slag removal equipments at different levels by low dense slug removing step, at multiple low dense slagging-off
Reason；
Low dense filters pressing step, by through too low dense except the waste paper pulp of Slag treatment is sequentially delivered to low dense filtering equipments at different levels,
By repeatedly low dense filters pressing processing；
Waste paper pulp is sequentially delivered to highly concentrated slag removal equipments at different levels by highly concentrated slug removing step, at multiple highly concentrated slagging-off
Reason；
Highly concentrated filters pressing step, it is highly concentrated except the waste paper pulp of Slag treatment is sequentially delivered to highly concentrated filtering equipments at different levels by passing through,
It is handled by repeatedly highly concentrated filters pressing, obtains primary slurry；
Primary slurry is sequentially delivered to thick refining equipment and finish milling slurry equipment by refining step, is completed in thick refining equipment
Thick defibrination process completes finish milling slurry processing in finish milling slurry equipment, obtains fine grinding slurry；
Screening step collects fine grinding slurry, first screens fine grinding slurry sequentially through screening installations at different levels, obtains pure
Net fine grinding slurry；
Pure fine grinding slurry is delivered to station with slurry and carries out with slurry, obtains paper making pulp by step with slurry；
It manufactures paper with pulp forming step, the wet end that paper making pulp is delivered into paper production line is manufactured paper with pulp station, by head box in wet end
Paper making pulp is equably injected in wet end surface by shaping area, is manufactured paper with pulp molding by wet end, is carried and be fed forward by wet end,
Obtain l Water Paper pulp layer；
Corona ionizes intensive treatment step, and the forward position in wet end shaping area is provided with corona treatment equipment, to l Water Paper
Pulp layer carries out corona and ionizes intensive treatment, wherein
Along the direction of advance of wet end, corona treatment equipment is arranged at intervals at least two rows of corona spray heads arranged in parallel, electricity
Dizzy spray head is arranged at intervals on the top of wet end, and the spacing of the adjacent two rows of corona spray heads in front and back is controlled in 5-10cm；
The spacing of the two corona spray heads adjacent along the width direction of wet end is controlled at 5-15cm, the bottom of each corona spray head
Portion is respectively arranged with an at least atomized spray head, by atomized spray head and the distance controlling of l Water Paper pulp layer in 3-5cm；
Atomizing nozzle is set in the central part of atomized spray head, the peripheral region of atomizing nozzle is provided with corona sparge ring, it will
Dizzy sparge ring and the distance controlling of l Water Paper pulp layer are in 3-5cm, by each corona spray head respectively to the l Water Paper pulp layer passed through from below
It carries out corona and ionizes intensive treatment；
During corona ionizes intensive treatment, corona is sprayed being respectively facing l Water Paper pulp layer by each corona sparge ring
L Water Paper pulp layer sparge ring oxygen resin liquid, epoxy resin liquid ionization and mist of the corona by injection are respectively facing by each atomizing nozzle simultaneously
It is melted into the little particle epoxy resin drop of little particle form, little particle epoxy resin drop is penetrated into wet pulp under corona effect
In layer, and automatic absorbing is bonded wet in the fiber surface of l Water Paper pulp layer by little particle epoxy resin drop under charge effect
Adjacent fiber in pulp layer bonds adjacent fiber in infall and forms continuously distributed arlt's strata；
L Water Paper drying squeezing step, is delivered to primary drying equipment and primary press apparatus for l Water Paper pulp layer, by first respectively
Grade drying equipment is dried, and is squeezed by primary press apparatus, to remove moisture removal and reduce moisture content, it is wet to obtain level-one
Paper；
First vacuum suction step, it is by the vacuum suction effect of the first vacuum suction roller that the level-one for being carried on wet end is wet
Paper adsorbs and is transferred to woollen blanket, conveys level-one l Water Paper by woollen blanket,
Level-one l Water Paper is delivered to second level drying equipment by woollen blanket, by second level drying equipment by second level baking step
Multiple drying cylinders sequentially dry level-one l Water Paper, obtain second level l Water Paper；
Surface corona is glued step, corona treatment equipment is arranged in the side of the paper feed of top sizing roller, this step is made
Corona treatment equipment is identical as corona treatment equipment used in corona ionization intensive treatment step, applies carrying out surface
Surface corona sizing processing first is carried out to second level l Water Paper before glue step, wherein
Top sizing used in second level l Water Paper jeting surface sizing applicator is respectively facing by the atomizing nozzle of each corona spray head
Liquid；
In surface corona sizing treatment process, corona is sprayed being respectively facing second level l Water Paper by each corona sparge ring
Second level l Water Paper jeting surface glue application solution, surface size ionization and mist of the corona by injection are respectively facing by each atomizing nozzle simultaneously
It is melted into the little particle top sizing drop of little particle form, it is wet that little particle top sizing drop is penetrated into second level under corona effect
In paper, the little particle top sizing drop penetrated into second level l Water Paper is filled in the fibre gap of second level l Water Paper, and in electricity
Lotus acts on lower automatic absorbing in the fiber surface of second level l Water Paper；
Top sizing step will be delivered to surface size press by the second level l Water Paper of surface corona sizing processing, pass through table
Face application roll carries out top sizing in the wet recto of second level and/or reverse side respectively, obtains top sizing corrugated paper；
Three-level baking step will be delivered to three-level drying equipment by the second level l Water Paper of top sizing processing, be dried by three-level
Multiple drying cylinders in dry equipment sequentially dry second level l Water Paper, obtain primary corrugated paper；
Second vacuum suction step is acted on by the vacuum suction of the second vacuum suction roller and primary corrugated paper is adsorbed and turned
Level Four drying equipment is moved to, second level l Water Paper is sequentially drawn by each cylinder of level Four drying equipment and is fed forward, is dried by level Four
Each drying cylinder of dry equipment dries primary corrugated paper；
Finished product, winding obtain corrugation paper product.
In further technical solution, it is provided with mud and sewage processing step after the pulping step, from pulping bucket
Bottom excludes slag again, separates the sewage weighed in slag and sludge by mud and water separating equipment, sludge is delivered to sludge and is done
Change processing equipment drying and other treatment, by sewage transport to sewage purification treatment equipment purified treatment.
In further technical solution, in the corona ionization intensive treatment step, 2-3 row is equipped with by spacer support frame
The corona spray head, adjacent two rows of corresponding corona spray heads are staggered in the width direction,
Each corona spray head is provided with an insulating ceramics seat, an atomized spray head and a corona sparge ring, insulating ceramics
Seat is installed on bracket, and corona sparge ring and atomized spray head are installed in the bottom surface of corresponding insulating ceramics seat, corona injection
Ring is annular solid, and atomized spray head is mounted in the central cavity of corona sparge ring, and atomized spray head is provided with multiple atomizing nozzles,
The ceramic cap for being covered with mesh is installed at atomizing nozzle；
Atomized spray head is connected by feed liquid pipeline, atomized spray head is respectively communicated with each atomizing nozzle；
The epoxy resin liquid forms big of the bulky grain form of atomization after spraying by the atomizing nozzle of atomized spray head
Particles/epoxy drop, and respectively in the epoxy resin liquid inlet zone for being respectively formed beneath a taper shape of each atomizing nozzle；
Corona sparge ring is connected into corona generating device, when corona sparge ring sprays corona in the lower section of corona sparge ring
It forms one and epoxy resin liquid inlet zone is coated on to interior corona inlet zone, be isolated and limit epoxy resin by corona inlet zone
Liquid inlet zone prevents epoxy resin liquid from going here and there to outflow, while the compression of epoxy resin liquid inlet zone being become smaller by corona inlet zone,
To increase the unit area injection density of epoxy resin liquid；
The bulky grain epoxy resin liquid that atomizing nozzle sprays is ionized and is atomized by the corona in corona inlet zone simultaneously
The little particle epoxy resin drop makes little particle epoxy resin drop be deeply infiltrated into the depths of l Water Paper pulp layer；
In further technical solution, in surface corona sizing step, the surface size passes through atomization spray
The large particle surface for penetrating the bulky grain form for forming atomization after the atomizing nozzle ejection of head is glued drop, and rectangular under atomizing nozzle
At the surface size inlet zone of a taper shape；
One is formed in the lower section of corona sparge ring when corona sparge ring sprays corona to coat surface size inlet zone
Corona inlet zone inside prevents surface size outside by the isolation of corona inlet zone and limiting surface glue application solution inlet zone
Stream string, while the compression of surface size inlet zone being become smaller by corona inlet zone, to increase the unit area of surface size
Injection density；
Drop ionization and atomization are glued by the large particle surface that the corona in corona inlet zone sprays atomizing nozzle simultaneously
At the little particle top sizing drop, little particle top sizing drop is made to be deeply infiltrated into the depths of second level l Water Paper.
In further technical solution, the bottom surface of the atomized spray head is arranged at least row's atomizing nozzle, between each row
Every being provided at least 5-10 atomizing nozzle, the epoxy resin liquid inlet zone of the lower section of at least two neighboring atomizing nozzle is locally overlapped,
The coverage density of finally formed little particle epoxy resin drop is improved while improving the nebulization efficiency of epoxy resin liquid；
The surface size inlet zone of the lower section of at least two neighboring atomizing nozzle is locally overlapped, and is improving surface size
The coverage density of finally formed little particle top sizing drop is improved while nebulization efficiency.
6. a kind of production technology using waste paper production high-strength corrugated paper according to claim 4, it is characterised in that:
The corona sparge ring has an endless wall and multiple spray points, and endless wall connects into closed O shape, the thickness of endless wall
Degree gradually becomes smaller from top to bottom, and the bottom surface of endless wall has been alternatively arranged multiple spray points, and the top of spray point is fixed on annular
The diameter of the bottom surface of wall body, spray point gradually becomes smaller from top to bottom, and the lower part of spray point is the needle point of pointed shape, and adjacent two
The spacing control of the needle point of a spray point is in 1-3cm, so that the corona of each needle point generation is interlaced and covers.
In further technical solution, the average grain diameter control of the bulky grain epoxy resin liquid is passed through in 0.1-0.5mm
The average grain diameter for the little particle epoxy resin liquid that corona is formed is controlled at 10-100 microns；The large particle surface glue application solution
The average grain diameter control of drop is in 0.1-0.5mm, by the average grain diameter control for the little particle top sizing drop that corona is formed
System is at 10-100 microns.
In further technical solution, the arlt's strata has 5-10 layers of fiber, each layer in arlt's strata
Fiber aspect interlocks, and the maximum width of each fibroplastic grid of layer is 0.01-0.1cm.
In further technical solution, in the wet end shaping area, rolled by the Metal Contact Rollers of multiple connection negative electrodes
The front of the l Water Paper pulp layer makes to be carried on the l Water Paper pulp layer voltage that is negatively charged, and will being applied to Metal Contact Rollers on wet end
Control makes little particle epoxy resin drop automatic absorbing in the fiber surface in -3~-12V.
The invention has the advantages that compared with the prior art: the present invention improves traditional processing technology, in net
Portion manufactures paper with pulp in molding and top sizing respectively using corona technology to promote quality of finished paper, and will not damage the fiber in waste paper,
The investment and additive amount of chemical substance are reduced, production process is more energy-saving and environmentally friendly, and is produced and obtained high-intensitive corrugated paper.
The sludge of desiccation is sent and is burned in power station by present invention process, the residual fibers in full combustion sludge, by its turn
Change thermal energy or electric energy into, sludge incineration product is as Crop fertilizer, at sewage transport to sewage purification treatment equipment purification
Reason, the cycling use of water purified are transported to pulping bucket again, realize sewage zero-discharge, recycle shredded paper water, solve paper-making process
Problem of water consumption in the maximum production link of water consumption, clean and environmental protection.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of corona treatment equipment used in the present invention.
Fig. 2 is the structural schematic diagram of the corona spray head of corona treatment equipment used in the present invention.
Fig. 3 is structural schematic diagram of the present invention in wet end shaping area progress corona ionization intensive treatment.
Fig. 4 is the structural schematic diagram that the present invention carries out surface corona sizing processing in front of top sizing roller.
In figure:
1, corona spray head 10, wet end shaping area 11, atomized spray head 12, atomizing nozzle 13, corona sparge ring 14, insulating ceramics
Seat 15, bracket 16, spray point 17, refractory gun.
2, l Water Paper pulp layer.
3, second level l Water Paper 31, top sizing roller.
Specific embodiment
It is only below presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
A kind of production technology using waste paper production high-strength corrugated paper, includes the following steps,
Pulping step, by the waste paper investment pulping bucket of recycling, the preferably double D type pulping buckets of pulping bucket, double D type pulping buckets have
There is the side of two sides flat shape, to improve shredded paper efficiency, and reduce the damage ratio of fiber, to pulping bucket injection papermaking enterprise
Cycling use of water, and strip waste paper is fragmented into jelly, it shunts the slurry in pulping bucket to obtain waste paper pulp；
Mud and sewage processing step, excludes slag again from broken bottom of the barrel, will weigh the sewage in slag by mud and water separating equipment
It is separated with sludge, sludge is delivered to sludge drying treatment equipment drying and other treatment, by sewage transport to the dirty water decontamination handles
Equipment clean processing.
From broken bottom of the barrel exclude weight slag, by mud and water separating equipment by weight slag in sewage and sludge separate, will
Sludge is delivered to sludge drying treatment equipment drying and other treatment, and the sludge of desiccation is sent and is burned in power station, in full combustion sludge
Residual fibers, convert thereof into thermal energy or electric energy, sludge incineration product is net to sewage by sewage transport as Crop fertilizer
Change processing equipment purified treatment, the cycling use of water purified is transported to pulping bucket again, realizes that sewage zero-discharge, circulation shredded paper are used
Water solves the problem of water consumption in the maximum production link of paper-making process water consumption, clean and environmental protection.
Waste paper pulp is sequentially delivered to low dense slag removal equipments at different levels by low dense slug removing step, at multiple low dense slagging-off
Reason；
Low dense filters pressing step, by through too low dense except the waste paper pulp of Slag treatment is sequentially delivered to low dense filtering equipments at different levels,
By repeatedly low dense filters pressing processing；
Waste paper pulp is sequentially delivered to highly concentrated slag removal equipments at different levels by highly concentrated slug removing step, at multiple highly concentrated slagging-off
Reason；
Highly concentrated filters pressing step, it is highly concentrated except the waste paper pulp of Slag treatment is sequentially delivered to highly concentrated filtering equipments at different levels by passing through,
It is handled by repeatedly highly concentrated filters pressing, obtains primary slurry；
Primary slurry is sequentially delivered to thick refining equipment and finish milling slurry equipment by refining step, is completed in thick refining equipment
Thick defibrination process completes finish milling slurry processing in finish milling slurry equipment, obtains fine grinding slurry；
Screening step collects fine grinding slurry, first screens fine grinding slurry sequentially through screening installations at different levels, obtains pure
Net fine grinding slurry；
Pure fine grinding slurry is delivered to station with slurry and carries out with slurry, obtains paper making pulp by step with slurry；
It manufactures paper with pulp forming step, the wet end that paper making pulp is delivered into paper production line is manufactured paper with pulp station, is made by head box pumping
Paper making pulp is equably injected in wet end surface by refractory gun 17, is manufactured paper with pulp by wet end by pulp material in wet end shaping area 10
Molding, is carried and is fed forward by wet end, obtain l Water Paper pulp layer 2；
Corona ionizes intensive treatment step, and the forward position in wet end shaping area 10 is provided with corona treatment equipment, to wet
Pulp layer 2 carries out corona and ionizes intensive treatment, shown in Fig. 1 to 3, wherein
It is 16-20kHz by corona treatment equipment offer frequency, the high-frequency ac voltage that voltage is 10-40kV, makes respectively to put
Acusector 16 generates corona respectively.
Along the direction of advance of wet end, corona treatment equipment is arranged at intervals at least two rows of corona spray heads 1 arranged in parallel, electricity
Dizzy spray head 1 is arranged at intervals on the top of wet end, and the spacing of the adjacent two rows of corona spray heads 1 in front and back is controlled in 5-10cm；
The spacing control of the two corona spray heads 1 adjacent along the width direction of wet end in 5-15cm, each corona spray head 1
Bottom is respectively arranged with an at least atomized spray head 11, by atomized spray head 11 and the distance controlling of l Water Paper pulp layer 2 in 3-5cm；
2-3 is installed by the interval of bracket 15 and arranges corona spray head 1, adjacent two rows of corresponding corona spray heads 1 are along width
Direction is staggered,
Each corona spray head 1 is provided with an insulating ceramics seat 14, an atomized spray head 11 and a corona sparge ring 13, absolutely
Edge ceramics seat 14 is installed on bracket 15, and corona sparge ring 13 and atomized spray head 11 are installed in corresponding insulating ceramics seat 14
Bottom surface, corona sparge ring 13 is annular solid, and atomized spray head 11 is mounted in the central cavity of corona sparge ring 13, atomization spray
It penetrates first 11 and is provided with multiple atomizing nozzles 12, the ceramic cap for being covered with mesh is installed at atomizing nozzle 12；Mist is connected by feed liquid pipeline
Change injector head 11, atomized spray head 11 is respectively communicated with each atomizing nozzle 12.
Preferably, corona sparge ring 13 has an endless wall and multiple spray points 16, endless wall connects into closed O
The thickness of shape, endless wall gradually becomes smaller from top to bottom, and the bottom surface of endless wall has been alternatively arranged multiple spray points 16, spray point
16 top is fixed on the bottom surface of endless wall, and the diameter of spray point 16 gradually becomes smaller from top to bottom, and the lower part of spray point 16 is
The needle point of pointed shape, the spacing control of the needle point of two neighboring spray point 16 is in 1-3cm, so that the corona that each needle point generates
Interlaced and covering.
Atomizing nozzle 12 is set in the central part of atomized spray head 11, the peripheral region of atomizing nozzle 12 is provided with corona injection
Ring 13, by the distance controlling of dizzy sparge ring and l Water Paper pulp layer 2 in 3-5cm, by each corona spray head 1 respectively to passing through from below
L Water Paper pulp layer 2 carries out corona and ionizes intensive treatment；
During corona ionizes intensive treatment, electricity is sprayed being respectively facing l Water Paper pulp layer 2 by each corona sparge ring 13
The injection epoxy resin liquid of l Water Paper pulp layer 2 is respectively facing by each atomizing nozzle 12 while dizzy, corona is by the epoxy resin liquid of injection
The little particle epoxy resin drop for ionizing and being atomized into little particle form, the little particle epoxy resin liquid formed by corona are put down
Equal size controlling is at 10-100 microns, and little particle epoxy resin drop is penetrated into l Water Paper pulp layer 2 under corona effect, and in electricity
Lotus acts on lower automatic absorbing in the fiber surface of l Water Paper pulp layer 2, is bonded in l Water Paper pulp layer 2 by little particle epoxy resin drop
Adjacent fiber bonds adjacent fiber in infall and forms continuously distributed arlt's strata；
Preferably, arlt's strata has 5-10 layers of fiber, each layer of fiber aspect in arlt's strata interlocks, each
The maximum width of the fibroplastic grid of layer is 0.01-0.1cm, is laminated by multiple fibrous layers mutually bonded netted
Fibrous layer, just from the internal adhesion strength for enhancing its fiber during website is manufactured paper with pulp, the corrugated paper for obtaining final production
Finished product has better intensity and toughness, can produce to obtain the corrugation of high weight high-strength according to the technique and scheme of the present invention
Paper.
Specifically, epoxy resin liquid forms the bulky grain form of atomization after spraying by the atomizing nozzle 12 of atomized spray head 11
Bulky grain epoxy resin drop, by atomizing nozzle 12 by the control of the average grain diameter of bulky grain epoxy resin liquid in 0.1-0.5mm,
And respectively in the epoxy resin liquid inlet zone for being respectively formed beneath a taper shape of each atomizing nozzle 12.
Corona sparge ring 13 is connected into corona generating device, when corona sparge ring 13 sprays corona in corona sparge ring 13
Lower section form one epoxy resin liquid inlet zone be coated on to interior corona inlet zone, be isolated by corona inlet zone and limitation ring
Oxygen resin liquid inlet zone prevents epoxy resin liquid from going here and there to outflow, while passing through corona inlet zone for epoxy resin liquid inlet zone pressure
Contracting becomes smaller, to increase the unit area injection density of epoxy resin liquid；
It ionizes and is atomized by the bulky grain epoxy resin liquid that the corona in corona inlet zone sprays atomizing nozzle 12 simultaneously
At little particle epoxy resin drop, little particle epoxy resin drop is made to be deeply infiltrated into the depths of l Water Paper pulp layer 2.
It is arranged at intervals at least preferably, the bottom surface of atomized spray head 11 is arranged at least row's atomizing nozzle 12, each row
The epoxy resin liquid inlet zone of 5-10 atomizing nozzle 12, the lower section of two to four adjacent atomizing nozzles 12 is locally overlapped, and is being mentioned
The coverage density of finally formed little particle epoxy resin drop is improved while the nebulization efficiency of high epoxy resin liquid.
Preferably, rolling l Water Paper pulp layer 2 just by the Metal Contact Rollers of multiple connection negative electrodes in wet end shaping area 10
Face, the l Water Paper pulp layer 2 for making to be carried on wet end is negatively charged, and will be applied to the voltage control of Metal Contact Rollers -3~-
12V makes fiber in l Water Paper pulp layer 2 with negative electricity, make little particle epoxy resin drop more easily penetrate deep into enter it is wet
In pulp layer 2, and automatic absorbing reduces the little particle epoxy resin drop being free in fibre gap, simultaneously in fiber surface
The physical property of fiber is promoted, the corrugation paper product for obtaining final production has better intensity and toughness.
L Water Paper drying squeezing step, is delivered to primary drying equipment and primary press apparatus for l Water Paper pulp layer 2, by first respectively
Grade drying equipment is dried, and is squeezed by primary press apparatus, to remove moisture removal and reduce moisture content, it is wet to obtain level-one
Paper；
First vacuum suction step, it is by the vacuum suction effect of the first vacuum suction roller that the level-one for being carried on wet end is wet
Paper adsorbs and is transferred to woollen blanket, conveys level-one l Water Paper by woollen blanket,
Level-one l Water Paper is delivered to second level drying equipment by woollen blanket, by second level drying equipment by second level baking step
Multiple drying cylinders sequentially dry level-one l Water Paper, obtain second level l Water Paper 3；
Surface corona is glued step, and corona treatment equipment, Fig. 1,2 and 4 are arranged in the side of the paper feed of top sizing roller 31
It is shown, corona treatment equipment used in this step and corona treatment equipment phase used in corona ionization intensive treatment step
Together, surface corona sizing processing first is carried out to second level l Water Paper 3 before carrying out top sizing step, wherein
Surface used in 3 jeting surface sizing applicator of second level l Water Paper is respectively facing by the atomizing nozzle 12 of each corona spray head 1
Glue application solution；
In surface corona sizing treatment process, electricity is sprayed being respectively facing second level l Water Paper 3 by each corona sparge ring 13
3 jeting surface glue application solution of second level l Water Paper is respectively facing by each atomizing nozzle 12 while dizzy, corona is by the surface size of injection
The little particle top sizing drop that ionizes and be atomized into little particle form, the little particle top sizing drop formed by corona
At 10-100 microns, little particle top sizing drop is penetrated into second level l Water Paper 3 under corona effect for average grain diameter control, is permeated
It is filled in the fibre gap of second level l Water Paper 3 into the little particle top sizing drop in second level l Water Paper 3, and under charge effect
Fiber surface of the automatic absorbing in second level l Water Paper 3；
Specifically, surface size forms the bulky grain form of atomization after spraying by the atomizing nozzle 12 of atomized spray head 11
Large particle surface be glued drop, by atomizing nozzle 12 by large particle surface be glued drop average grain diameter control in 0.1-
0.5mm, and the surface size inlet zone of a taper shape is formed in the lower section of atomizing nozzle 12.
One is formed by surface size inlet zone in the lower section of corona sparge ring 13 when corona sparge ring 13 sprays corona
It is coated on interior corona inlet zone, by the isolation of corona inlet zone and limiting surface glue application solution inlet zone, prevents surface size
It goes here and there to outflow, while the compression of surface size inlet zone being become smaller by corona inlet zone, to increase the unit of surface size
Area injection density.
Drop ionization and mist are glued by the large particle surface that the corona in corona inlet zone sprays atomizing nozzle 12 simultaneously
It is melted into little particle top sizing drop, little particle top sizing drop is made to be deeply infiltrated into the depths of second level l Water Paper 3.
Preferably, the surface size inlet zone of the lower section of two to four adjacent atomizing nozzles 12 is locally overlapped, mentioning
The coverage density of finally formed little particle top sizing drop is improved while the nebulization efficiency of high surface sizing liquid.
Top sizing is the important step for promoting corrugation paper product final product quality, and traditional surface sizing technique can only be by table
Face glue application solution is coated in the surface of second level l Water Paper 3, and surface size can not be deeply infiltrated into 3 surface of second level l Water Paper hereinafter, therefore
Traditional surface sizing technique can only improve the surface quality of corrugated paper.
The present invention first carries out surface corona sizing processing before carrying out top sizing, gos deep into little particle top sizing drop
3 surface of second level l Water Paper is infiltrated into hereinafter, carrying out top sizing processing again, the surface size on the surface coated in second level l Water Paper 3
Enter 3 surface of second level l Water Paper little particle top sizing drop below with penetrating deep into and be connected, top sizing makes two simultaneously
Grade 3 surface of l Water Paper comprehensive physical property for promoting corrugation paper product after there is stronger adhesion, the two to combine, in addition to being promoted
Except surface property, moreover it is possible to promote paper strength, paper toughness and paper tension, and it is superior in production process just to embody its
Property, in process of production especially in subsequent baking step, substantially eliminates paper and occur the feelings being broken in distraction procedure
Condition reduces the loss caused by necessary shutdown adjustment due to paper break.
Top sizing step will be delivered to surface size press by the second level l Water Paper 3 of surface corona sizing processing, pass through table
Face application roll 31 carries out top sizing in the obverse and reverse of second level l Water Paper 3 respectively, distinguishes in the obverse and reverse of second level l Water Paper 3
Coating surface glue application solution obtains top sizing corrugated paper.
Three-level baking step will be delivered to three-level drying equipment by the second level l Water Paper 3 of top sizing processing, be dried by three-level
Multiple drying cylinders in dry equipment sequentially dry second level l Water Paper 3, obtain primary corrugated paper.
Second vacuum suction step is acted on by the vacuum suction of the second vacuum suction roller and primary corrugated paper is adsorbed and turned
Level Four drying equipment is moved to, second level l Water Paper 3 is sequentially drawn by each cylinder of level Four drying equipment and is fed forward, is dried by level Four
Each drying cylinder of dry equipment dries primary corrugated paper.
Finished product, winding obtain corrugation paper product.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (9)
1. a kind of production technology using waste paper production high-strength corrugated paper, it is characterised in that: include the following steps,
Pulping step, will be in the waste paper investment pulping bucket of recycling, to the cycling use of water of pulping bucket injection papermaking enterprise, and by strip
Waste paper is fragmented into jelly, shunts the slurry in pulping bucket to obtain waste paper pulp；
Waste paper pulp is sequentially delivered to low dense slag removal equipments at different levels by low dense slug removing step, by repeatedly low dense except Slag treatment；
Low dense filters pressing step is passed through through too low dense except the waste paper pulp of Slag treatment is sequentially delivered to low dense filtering equipments at different levels
Repeatedly low dense filters pressing processing；
Waste paper pulp is sequentially delivered to highly concentrated slag removal equipments at different levels by highly concentrated slug removing step, removes Slag treatment by repeatedly highly concentrated；
Highly concentrated filters pressing step, it is highly concentrated except the waste paper pulp of Slag treatment is sequentially delivered to highly concentrated filtering equipments at different levels by passing through, pass through
Repeatedly highly concentrated filters pressing processing, obtains primary slurry；
Primary slurry is sequentially delivered to thick refining equipment and finish milling slurry equipment by refining step, completes to roughly grind in thick refining equipment
Slurry processing completes finish milling slurry processing in finish milling slurry equipment, obtains fine grinding slurry；
Screening step collects fine grinding slurry, first screens fine grinding slurry sequentially through screening installations at different levels, obtains pure essence
Defibrination material；
Pure fine grinding slurry is delivered to station with slurry and carries out with slurry, obtains paper making pulp by step with slurry；
It manufactures paper with pulp forming step, the wet end that paper making pulp is delivered into paper production line is manufactured paper with pulp station, is formed by head box in wet end
Paper making pulp is equably injected in wet end surface by area (10), is manufactured paper with pulp molding by wet end, is carried and be fed forward by wet end,
Obtain l Water Paper pulp layer (2)；
Corona ionizes intensive treatment step, and the forward position in wet end shaping area (10) is provided with corona treatment equipment, to l Water Paper
Pulp layer (2) carries out corona and ionizes intensive treatment, wherein
Along the direction of advance of wet end, corona treatment equipment is arranged at intervals at least two rows of corona spray heads (1) arranged in parallel, corona
Spray head (1) is arranged at intervals on the top of wet end, and the spacing of the adjacent two rows of corona spray heads (1) in front and back is controlled in 5-10cm；
The spacing control of the two corona spray heads (1) adjacent along the width direction of wet end in 5-15cm, each corona spray head (1)
Bottom is respectively arranged with an at least atomized spray head (11), and the distance controlling of atomized spray head (11) and l Water Paper pulp layer (2) is existed
3-5cm；
Atomizing nozzle (12) are set in the central part of atomized spray head (11), the peripheral region of atomizing nozzle (12) is provided with corona spray
Ring (13) are penetrated, by dizzy sparge ring and the distance controlling of l Water Paper pulp layer (2) in 3-5cm, by each corona spray head (1) respectively under
The l Water Paper pulp layer (2) just passed through carries out corona ionization intensive treatment；
During corona ionizes intensive treatment, l Water Paper pulp layer (2) injection electricity is being respectively facing by each corona sparge ring (13)
L Water Paper pulp layer (2) injection epoxy resin liquid is respectively facing by each atomizing nozzle (12) while dizzy, corona is by the asphalt mixtures modified by epoxy resin of injection
Rouge liquid ionizes and is atomized into the little particle epoxy resin drop of little particle form, and little particle epoxy resin drop is under corona effect
It is penetrated into l Water Paper pulp layer (2), and automatic absorbing passes through little particle in the fiber surface of l Water Paper pulp layer (2) under charge effect
Epoxy resin drop bonds the adjacent fiber in l Water Paper pulp layer (2), bonds adjacent fiber in infall and forms continuous point
The arlt's strata of cloth；
L Water Paper drying squeezing step, is delivered to primary drying equipment and primary press apparatus for l Water Paper pulp layer (2), by primary respectively
Drying equipment is dried, and is squeezed by primary press apparatus, to remove moisture removal and reduce moisture content, obtains level-one l Water Paper；
First vacuum suction step is inhaled the level-one l Water Paper for being carried on wet end by the vacuum suction effect of the first vacuum suction roller
It is attached and be transferred to woollen blanket, level-one l Water Paper is conveyed by woollen blanket,
Level-one l Water Paper is delivered to second level drying equipment by woollen blanket, by multiple in second level drying equipment by second level baking step
Drying cylinder sequentially dries level-one l Water Paper, obtains second level l Water Paper (3)；
Surface corona is glued step, corona treatment equipment is arranged in the side of the paper feed of top sizing roller (31), this step is made
Corona treatment equipment is identical as corona treatment equipment used in corona ionization intensive treatment step, applies carrying out surface
Surface corona sizing processing first is carried out to second level l Water Paper (3) before glue step, wherein
Table used in second level l Water Paper (3) jeting surface sizing applicator is respectively facing by the atomizing nozzle (12) of each corona spray head (1)
Face glue application solution；
In surface corona sizing treatment process, second level l Water Paper (3) injection electricity is being respectively facing by each corona sparge ring (13)
Second level l Water Paper (3) jeting surface glue application solution is respectively facing by each atomizing nozzle (12) while dizzy, corona applies the surface of injection
Glue ionizes and is atomized into the little particle top sizing drop of little particle form, and little particle top sizing drop is under corona effect
It is penetrated into second level l Water Paper (3), the little particle top sizing drop penetrated into second level l Water Paper (3) is filled in second level l Water Paper
(3) in fibre gap, and fiber surface of the automatic absorbing in second level l Water Paper (3) under charge effect；
Top sizing step will be delivered to surface size press by the second level l Water Paper (3) of surface corona sizing processing, pass through surface
Application roll (31) carries out top sizing in the front of second level l Water Paper (3) and/or reverse side respectively, obtains top sizing corrugated paper；
Three-level baking step will be delivered to three-level drying equipment by the second level l Water Paper (3) of top sizing processing, be dried by three-level
Multiple drying cylinders in equipment sequentially dry second level l Water Paper (3), obtain primary corrugated paper；
Second vacuum suction step is acted on by the vacuum suction of the second vacuum suction roller and primary corrugated paper is adsorbed and is transferred to
Level Four drying equipment sequentially draws second level l Water Paper (3) by each cylinder of level Four drying equipment and is fed forward, dried by level Four
Each drying cylinder of equipment dries primary corrugated paper；
Finished product, winding obtain corrugation paper product.
2. a kind of production technology using waste paper production high-strength corrugated paper according to claim 1, it is characterised in that: in institute
It states pulping step and is provided with mud and sewage processing step later, exclude weight slag from broken bottom of the barrel, it will by mud and water separating equipment
Sewage and sludge in weight slag are separated, and sludge are delivered to sludge drying treatment equipment drying and other treatment, extremely by sewage transport
Sewage purification treatment equipment purified treatment.
3. a kind of production technology using waste paper production high-strength corrugated paper according to claim 1, it is characterised in that: described
Corona ionizes in intensive treatment step, is equipped with 2-3 by bracket (15) interval and arranges the corona spray head (1), adjacent two rows
Corresponding corona spray head (1) be staggered in the width direction,
Each corona spray head (1) is provided with an insulating ceramics seat (14), an atomized spray head (11) and a corona sparge ring
(13), insulating ceramics seat (14) is installed on bracket (15), and corona sparge ring (13) and atomized spray head (11) are installed in relatively
The bottom surface for the insulating ceramics seat (14) answered, corona sparge ring (13) are annular solid, and atomized spray head (11) is mounted on corona injection
In the central cavity of ring (13), atomized spray head (11) is provided with multiple atomizing nozzles (12), is equipped with and is covered at atomizing nozzle (12)
The ceramic cap of mesh；
Atomized spray head (11) are connected by feed liquid pipeline, atomized spray head (11) is respectively communicated with each atomizing nozzle (12)；
The epoxy resin liquid forms the bulky grain form of atomization after spraying by the atomizing nozzle (12) of atomized spray head (11)
Bulky grain epoxy resin drop, and respectively in the epoxy resin liquid for being respectively formed beneath a taper shape of each atomizing nozzle (12)
Inlet zone；
Corona sparge ring (13) are connected into corona generating device, when corona sparge ring (13) spray corona in corona sparge ring
(13) lower section forms one and epoxy resin liquid inlet zone is coated on to interior corona inlet zone, is isolated and limits by corona inlet zone
Epoxy resin liquid inlet zone processed prevents epoxy resin liquid from going here and there to outflow, while being sprayed epoxy resin liquid by corona inlet zone
Area's compression becomes smaller, to increase the unit area injection density of epoxy resin liquid；
The bulky grain epoxy resin liquid that atomizing nozzle (12) sprays is ionized and is atomized by the corona in corona inlet zone simultaneously
The little particle epoxy resin drop makes little particle epoxy resin drop be deeply infiltrated into the depths of l Water Paper pulp layer (2).
4. a kind of production technology using waste paper production high-strength corrugated paper according to claim 3, it is characterised in that: in institute
It states in surface corona sizing step, the surface size forms mist after spraying by the atomizing nozzle (12) of atomized spray head (11)
The large particle surface of the bulky grain form of change is glued drop, and forms the surface of a taper shape in the lower section of atomizing nozzle (12)
Glue application solution inlet zone；
One is formed by surface size inlet zone in the lower section of corona sparge ring (13) when corona sparge ring (13) spray corona
It is coated on interior corona inlet zone, by the isolation of corona inlet zone and limiting surface glue application solution inlet zone, prevents surface size
It goes here and there to outflow, while the compression of surface size inlet zone being become smaller by corona inlet zone, to increase the unit of surface size
Area injection density；
Drop ionization and atomization are glued by the large particle surface that the corona in corona inlet zone sprays atomizing nozzle (12) simultaneously
At the little particle top sizing drop, little particle top sizing drop is made to be deeply infiltrated into the depths of second level l Water Paper (3).
5. a kind of production technology using waste paper production high-strength corrugated paper according to claim 4, it is characterised in that: described
The bottom surface of atomized spray head (11) is arranged at least row's atomizing nozzle (12), each row and is arranged at intervals at least 5-10 atomizing nozzle
(12), the epoxy resin liquid inlet zone of the lower section of at least two neighboring atomizing nozzle (12) is locally overlapped, and is improving epoxy resin liquid
Nebulization efficiency while improve the coverage density of finally formed little particle epoxy resin drop；
The surface size inlet zone of the lower section of at least two neighboring atomizing nozzle (12) is locally overlapped, and is improving surface size
The coverage density of finally formed little particle top sizing drop is improved while nebulization efficiency.
6. a kind of production technology using waste paper production high-strength corrugated paper according to claim 4, it is characterised in that: described
Corona sparge ring (13) has an endless wall and multiple spray points (16), and endless wall connects into closed O shape, endless wall
Thickness gradually become smaller from top to bottom, the bottom surface of endless wall has been alternatively arranged multiple spray points (16), spray point (16) it is upper
Portion is fixed on the bottom surface of endless wall, and the diameter of spray point (16) gradually becomes smaller from top to bottom, and the lower part of spray point (16) is point
The needle point of shape shape, the spacing control of the needle point of two neighboring spray point (16) is in 1-3cm, so that the corona that each needle point generates
Interlaced and covering.
7. a kind of production technology using waste paper production high-strength corrugated paper according to claim 4, it is characterised in that: described
The average grain diameter control of bulky grain epoxy resin liquid is in 0.1-0.5mm, the little particle epoxy resin liquid formed by corona
Average grain diameter control at 10-100 microns；The average grain diameter control of the large particle surface sizing drop is in 0.1-0.5mm, warp
The average grain diameter for crossing the little particle top sizing drop of corona formation is controlled at 10-100 microns.
8. a kind of production technology using waste paper production high-strength corrugated paper according to claim 1, it is characterised in that: described
Arlt's strata has 5-10 layers of fiber, and each layer of fiber aspect in arlt's strata interlocks, each fibroplastic net of layer
The maximum width of lattice is 0.01-0.1cm.
9. a kind of production technology using waste paper production high-strength corrugated paper according to claim 1, it is characterised in that: in institute
Wet end shaping area (10) are stated, the front of the l Water Paper pulp layer (2) is rolled by the Metal Contact Rollers of multiple connection negative electrodes, makes to carry
L Water Paper pulp layer (2) on wet end is negatively charged, and the voltage for being applied to Metal Contact Rollers is controlled in -3~-12V, makes small
Particles/epoxy drop automatic absorbing is in the fiber surface.
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| CN110904720B (en) * | 2019-11-14 | 2022-03-11 | 东莞顺裕纸业有限公司 | Method for reconstructing corrugated paper by using waste paper and improving pulp grinding |
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