CN106087522A - A kind of production method of ash-rich height thickness chipboard - Google Patents
A kind of production method of ash-rich height thickness chipboard Download PDFInfo
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- CN106087522A CN106087522A CN201610614831.7A CN201610614831A CN106087522A CN 106087522 A CN106087522 A CN 106087522A CN 201610614831 A CN201610614831 A CN 201610614831A CN 106087522 A CN106087522 A CN 106087522A
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- wood chip
- wood
- grey board
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011093 chipboard Substances 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 166
- 239000002023 wood Substances 0.000 claims abstract description 113
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 239000000123 paper Substances 0.000 claims abstract description 40
- 150000001875 compounds Chemical class 0.000 claims abstract description 35
- 235000013312 flour Nutrition 0.000 claims abstract description 26
- 244000005700 microbiome Species 0.000 claims abstract description 13
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 241000235648 Pichia Species 0.000 claims abstract description 8
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 61
- 239000002994 raw material Substances 0.000 claims description 23
- 239000012141 concentrate Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 20
- 238000007670 refining Methods 0.000 claims description 20
- 238000012216 screening Methods 0.000 claims description 20
- 239000002344 surface layer Substances 0.000 claims description 20
- 229920002472 Starch Polymers 0.000 claims description 19
- 239000008107 starch Substances 0.000 claims description 19
- 235000019698 starch Nutrition 0.000 claims description 19
- 238000004513 sizing Methods 0.000 claims description 11
- 238000010025 steaming Methods 0.000 claims description 11
- 235000021050 feed intake Nutrition 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 238000010790 dilution Methods 0.000 claims description 9
- 239000012895 dilution Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 230000008719 thickening Effects 0.000 claims description 9
- 238000004537 pulping Methods 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 5
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 5
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 5
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 4
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 4
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000012258 culturing Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 235000019634 flavors Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000010899 old newspaper Substances 0.000 description 2
- 239000010897 cardboard waste Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
-
- 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
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Abstract
The production method that the present invention relates to a kind of ash-rich height thickness chipboard includes: standby slurry, preparation OCC slurry, ONP slurry, wood flour slurry, recovery slurry, adds Hansenula yeast microorganism belonging to genus and binding agent is cultivated in wood flour slurry；With slurry, grey board liners made by ONP slurry, and OCC slurry, sawdust pulp compound and recovery slurry in proportion mixing are respectively prepared grey board lining, grey board sandwich layer, grey board bottom；Manufacturing paper with pulp, above-mentioned online slurry manufactures paper with pulp out paper after drying through compound at the bottom of wet end drainage and formation, face lining core, splenium press dewatering, drying section.The present invention carries out microorganism culturing to wood flour slurry, thus the surface chemical property and pore structure to sawdust pulp is modified, and is effectively improved the thickness of grey board, tightness and deflection.Dense tailings low to OCC line latter end recycles, and environmental benefit is notable, effectively reduces production cost.
Description
Technical field
The present invention relates to pulping and paper-making production technical field, particularly to the producer of a kind of ash-rich height thickness chipboard
Method.
Background technology
The ash content of coal of chipboard is quantitative to the primary quality measure of chipboard, thickness, tightness, deflection have considerable influence.
Identical quantitatively under, ash rises, then thickness, deflection decline, and tightness rises.Conventional art uses OCC secondary stock to make lining core bottom
Slurry, makees liners with ONP secondary stock, for reaching required thickness, tightness, deflection index, becomes paper ash part to control relatively low, generally
11～12%, due to production technology and the restriction of quality index, it is impossible to reach the mesh improving into paper ash part to reduce production cost
Mark.
During realizing the present invention, inventor finds that in prior art, there are the following problems:
1, conventional art is for reaching required thickness, tightness, deflection index, becomes paper ash part to control low, it is impossible to carry out raw material
Substitute to reduce production cost.
2, conventional art reaches required thickness, tightness, deflection index, and fibre length, the fibre strength of slurry is had one
Provisioning request, need to use the OCC wastepaper as raw material that class is higher, and cost of material is high.
3, the grey board ash that conventional art is manufactured paper with pulp is unstable, causes thickness, tightness, deflection unstable, limits product
Use.
4, the supplies consumption such as conventional art raw material, water power vapour is big, and deslagging draining is many, and production cost is higher, has energy-saving and emission-reduction
Requirement.
Summary of the invention
For this reason, it may be necessary to provide the production method of a kind of ash-rich height thickness chipboard, it is used for solving grey board ash low, thick
The problem that degree, tightness, deflection are unstable.
For achieving the above object, the production method of a kind of ash-rich height thickness chipboard is inventor provided, including following
Step:
Standby slurry:
Using waste and old boxboard is raw material, feed intake through conventional OCC Pulping Line, size degradation, remove the gred, screen, concentrate, refining, storage
Sizing process process prepares OCC slurry；
Use old newsprint is raw material, feed intake through ONP slurry line, size degradation, remove the gred, screen, concentrate, the technique such as dissipation of heat, storage slurry
Process prepares ONP slurry；
Using brush wood wood chip is raw material, prepares line through sawdust pulp and feeds intake, wood chip defibrator process, refining, screens, concentrates, stores up slurry
Technical process prepares wood flour slurry, wood flour slurry, Hansenula yeast microorganism belonging to genus and binding agent is coordinated by weight 100:1:20,
Forming compound, cultivate in following condition: temperature 30-50 DEG C, time 3-10 days, described binding agent is carboxymethyl cellulose
The one of which of element, sodium carboxymethyl cellulose, carboxymethyl starch sodium or starch；
The OCC line latter end ash low dense tailings more than 60% is collected, dense slagging-off, essence in slurry processes line
Sieve, concentrate, store up sizing process process, prepare and reclaim slurry；
With slurry:
ONP slurry is copied after forebay thickens through surface layer mixing pit, surface layer, send surface layer streaming portion to be diluted, net front screening, goes
The slurry online of surface layer head box cloth, as grey board liners；
OCC slurry, sawdust pulp compound and recovery slurry send lining mixing pit by weight 1:1～1.5:1～1.5, copy
Forebay carries out mixing, thickening, and mixing thickens disposed slurry and send lining streaming portion to be diluted, net front screening, goes paper machine lining stream to starch
The slurry online of case cloth, as grey board lining；
OCC slurry, sawdust pulp compound and recovery slurry send sandwich layer mixing pit by weight 1:1～1.5:1～1.5, copy
Forebay carries out mixing, thickening, and mixing thickens disposed slurry and send sandwich layer streaming portion to be diluted, net front screening, goes paper machine lining stream to starch
The slurry online of case cloth, as grey board sandwich layer；
OCC slurry, sawdust pulp compound and recovery slurry send bottom mixing pit by weight 1:1～1.5:1～1.5, copy
Forebay carries out mixing, thickening, and mixing thickens disposed slurry and send bottom streaming portion to be diluted, net front screening, goes paper machine lining stream to starch
The slurry online of case cloth, as grey board bottom；
Manufacture paper with pulp:
Above-mentioned online slurry is manufactured paper with pulp after drying through compound at the bottom of wet end drainage and formation, face lining core, splenium press dewatering, drying section
Go out into paper.
As a kind of preferred structure of the present invention, in described standby slurry step, using brush wood wood chip is raw material, through sawdust pulp
Prepare line to feed intake, wood chip defibrator process, refining, screen, concentrate, store up sizing process process and prepare sawdust pulp compound, particularly as follows:
Wood chip carries: by brush wood wood chip from feed bin by DWG, deliver to vibrating screen through belt conveyer；
Wood chip remove impurity: wood chip screens through vibrating screen, gets rid of bark and big wooden unit, and the wood chip screened passes through bucket type
Elevator is sent to chip bin；
Wood chip preheats: be passed through steam in wood chip pre-heating cabin, softens wood chip；
Wood chip vapour cooking: be passed through high steam in chip steaming storehouse, increases timber moisture, again softens wood chip；
Wood chip defibrator process: wood chip is sent into defibrator by feeding serew after the steaming and decocting of steaming and decocting storehouse, wood chip grinding is become by defibrator
Single fiber；
Defibrator process slurry dilution: the sawdust pulp compound after defibrator process adjusts concentration through dilution spiral, is sent to eliminating potential pool；
Defibrator process slurry disappears latent: after sawdust pulp is dived in disappearing, send disc mill to carry out refining through thickening；
Mill refining: use double plate mill that defibrator process slurry is carried out refining, cut off and the fiber that dissociates is to reach pulping requirement；
Fine screen is screened: double plate disintegrating outlet slurry thickens through dilution, send sawdust pulp fine screen to screen；
Concentrate: the good slurry of wood flour fine screen goes slanted screen to concentrate, after concentration, prepare wood flour slurry.
As a kind of preferred structure of the present invention, in described wood chip defibrator process, it is simultaneously introduced the coffee grounds of gross weight 10%.
As a kind of preferred structure of the present invention, in described step with slurry, grey board lining, grey board sandwich layer and grey board
Bottom controls reclaim slurry weight ratio 20～30%, sawdust pulp compound weight ratio 25～30%.
As a kind of preferred structure of the present invention, in described standby slurry step, first to branch when use brush wood wood chip is raw material
Fork timber sheet carries out pre-preg, containing 8%Na2SO3Presoak 24 hours with in 0.5%NaOH solution.
Being different from prior art, technique scheme has the advantage that
1, wood flour slurry is carried out microorganism culturing, thus the surface chemical property and pore structure to sawdust pulp changes
Property, the beneficially chemisorbed performance of sawdust pulp adsorbent and the synchronization of physical absorption performance improves, and is effectively improved grey board
Thickness, tightness and deflection.
2, dense tailings low to OCC line latter end recycles, and reduces garbage, and environmental benefit is notable, Substitute For Partial OCC
Slurry, reduces OCC raw material dosage, effectively reduces production cost, remarkable in economical benefits.
3, it is adjusted to paper ash part by technique with slurry, ensures into thickness of paper degree, tightness, the holding of deflection index stably, improve and produce
Product class.
4, this production method ton slurry power consumption is little, reduces a ton paper power consumption, has reached energy-saving and cost-reducing target.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment
It is explained in detail.
OCC is the abbreviation of Old Corrugated Container, is translated into cardboard waste paper.
ONP is the abbreviation of Old News Paper, is translated into old newspaper, old newsprint.
Embodiment one
The production method of the present invention a kind of ash-rich height thickness chipboard, comprises the following steps:
Standby slurry:
Using waste and old boxboard is raw material, feed intake through conventional OCC Pulping Line, size degradation, remove the gred, screen, concentrate, refining, storage
Sizing process process prepares OCC slurry；
Use old newsprint is raw material, feed intake through conventional ONP slurry line, size degradation, remove the gred, screen, concentrate, dissipation of heat, storage slurry etc.
Technical process prepares ONP slurry；
Using brush wood wood chip is raw material, prepares line through sawdust pulp and feeds intake, wood chip defibrator process, refining, screens, concentrates, stores up slurry
Technical process prepares wood flour slurry, wood flour slurry, Hansenula yeast microorganism belonging to genus and binding agent is coordinated by weight 100:1:20,
Forming compound, cultivate in following condition: temperature 30 DEG C, 10 days time, described binding agent is carboxymethyl cellulose, carboxylic first
The one of which of base sodium cellulosate, carboxymethyl starch sodium or starch；
Brush wood wood chip, refers to the wood chip that trees branch in addition to trunk, branch are cut, these materials due to
Footpath level, the reason of structure, typically cutting can not become solid wood board to use, and for the wood-based plate such as medium density fibre board (MDF), particieboard
Raw material.
Further, in described standby slurry step, brush wood wood chip is used first brush wood wood chip to be presoaked when being raw material
Stain, containing 8%Na2SO3Presoak 24 hours with in 0.5%NaOH solution.Brush wood wood chip is carried out delignification, dehydration.
Concrete, in described standby slurry step, using brush wood wood chip is raw material, through sawdust pulp prepare line feed intake, wood chip heat
Mill, refining, screen, concentrate, store up sizing process process and prepare sawdust pulp compound, concretely comprise the following steps:
Wood chip carries: by brush wood wood chip from feed bin by DWG, deliver to vibrating screen through belt conveyer；
Wood chip remove impurity: wood chip screens through vibrating screen, gets rid of bark and big wooden unit, and the wood chip screened passes through bucket type
Elevator is sent to chip bin；
Wood chip preheats: be passed through steam in wood chip pre-heating cabin, softens wood chip；
Wood chip vapour cooking: be passed through high steam in chip steaming storehouse, increases timber moisture, again softens wood chip；
Wood chip defibrator process: wood chip is sent into defibrator by feeding serew after the steaming and decocting of steaming and decocting storehouse, wood chip grinding is become by defibrator
Single fiber；
Defibrator process slurry dilution: the sawdust pulp compound after defibrator process adjusts concentration through dilution spiral, is sent to eliminating potential pool；
Defibrator process slurry disappears latent: after sawdust pulp is dived in disappearing, send disc mill to carry out refining through thickening；
Mill refining: use double plate mill that defibrator process slurry is carried out refining, cut off and the fiber that dissociates is to reach pulping requirement；
Fine screen is screened: double plate disintegrating outlet slurry thickens through dilution, send sawdust pulp fine screen to screen；
Concentrate: the good slurry of wood flour fine screen goes slanted screen to concentrate, after concentration, prepare wood flour slurry.
Further, in described wood chip defibrator process, being simultaneously introduced the coffee grounds of gross weight 10%, coffee grounds mixes with wood chip
After, after the steaming and decocting of steaming and decocting storehouse, it is sent into defibrator by feeding serew.Add coffee grounds, the abnormal flavour of chipboard, ash paper can be eliminated
Plate has obvious abnormal flavour after completing, and the fragrance of the coffee grounds by adding 10% removes the abnormal flavour of comprehensive chipboard, with
Remove the abnormal flavour in chipboard.
Concrete, wood flour slurry, Hansenula yeast microorganism belonging to genus and binding agent are coordinated by weight 100:1:20, is formed mixed
Close material, cultivate, in incubation, Hansenula yeast microorganism belonging to genus is grown, to the cellulose in sawdust pulp, pectin and
The materials such as terpenes ferment, and produce and aoxidizes, degrade, decompose and cracking etc. is reacted, thus the surface chemistries to sawdust pulp
Matter and pore structure are modified, and the beneficially chemisorbed performance of adsorbent and the synchronization of physical absorption performance improves.Make
Wood flour slurry adsorptivity is strengthened, and the tightness of the chipboard made rises, and does not affect its thickness, deflection, is ensureing that its ash is steady
While Ding, reach high thickness, tightness, the index of deflection.
The OCC line latter end ash low dense tailings more than 60% is collected, dense slagging-off, essence in slurry processes line
Sieve, concentrate, store up sizing process process, prepare and reclaim slurry；
With slurry:
ONP slurry is copied after forebay thickens through surface layer mixing pit, surface layer, send surface layer streaming portion to be diluted, net front screening, goes
The slurry online of surface layer head box cloth, as grey board liners；
OCC slurry, sawdust pulp compound and reclaim slurry and send lining mixing pit by weight 1:1:1, destroy forebay and mix
With, thicken, mixing thickens disposed slurry and send lining streaming portion to be diluted, net front screening, goes the slurry online of paper machine lining head box cloth,
As grey board lining；
OCC slurry, sawdust pulp compound and reclaim slurry and send sandwich layer mixing pit by weight 1:1:1, destroy forebay and mix
With, thicken, mixing thickens disposed slurry and send sandwich layer streaming portion to be diluted, net front screening, goes the slurry online of paper machine lining head box cloth,
As grey board sandwich layer；
OCC slurry, sawdust pulp compound and reclaim slurry and send bottom mixing pit by weight 1:1:1, destroy forebay and mix
With, thicken, mixing thickens disposed slurry and send bottom streaming portion to be diluted, net front screening, goes the slurry online of paper machine lining head box cloth,
As grey board bottom；
In described step with slurry, grey board lining, grey board sandwich layer and grey board bottom control reclaim slurry weight ratio
25%, sawdust pulp compound weight ratio 25%.
Manufacture paper with pulp:
Above-mentioned online slurry is manufactured paper with pulp after drying through compound at the bottom of wet end drainage and formation, face lining core, splenium press dewatering, drying section
Go out into paper.
The present embodiment improvement by technique, reclaims slurry (ash 60%) substitute with sawdust pulp, the low dense tailings of OCC line latter end
Part OCC slurry, improves and stability contorting ash content of paper, and the grey board thickness manufactured paper with pulp, tightness, deflection touch the mark requirement, matter
Amount is stable.Grey board becomes paper ash part can reach 18%, compares employing traditional handicraft and becomes paper ash part to improve 7%, is substantially reduced
Production cost.Use the low dense tailings of OCC line latter end, reduce and use raw material dosage, environmental benefit and remarkable in economical benefits.Pass through
Wood flour slurry is carried out microorganism culturing, thus the surface chemical property and pore structure to sawdust pulp is modified, be conducive to
The chemisorbed performance of sawdust pulp adsorbent and the synchronization of physical absorption performance improve, and are effectively improved the thickness of grey board, tightness
And deflection.
Embodiment two
Embodiment two is with the difference of embodiment one, use brush wood wood chip be raw material, through sawdust pulp prepare line feed intake,
Wood chip defibrator process, refining, screen, concentrate, store up sizing process process and prepare wood flour slurry, by wood flour slurry, Hansenula yeast microorganism belonging to genus
Coordinate by weight 100:1:20 with binding agent, form compound, cultivate in following condition: temperature 40 DEG C, 6 days time,
Described binding agent is the one of which of carboxymethyl cellulose, sodium carboxymethyl cellulose, carboxymethyl starch sodium or starch；
With slurry:
ONP slurry is copied after forebay thickens through surface layer mixing pit, surface layer, send surface layer streaming portion to be diluted, net front screening, goes
The slurry online of surface layer head box cloth, as grey board liners；
OCC slurry, sawdust pulp compound and reclaim slurry and send lining mixing pit by weight 1:1.2:1.3, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send lining streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board lining；
OCC slurry, sawdust pulp compound and reclaim slurry and send sandwich layer mixing pit by weight 1:1.2:1.3, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send sandwich layer streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board sandwich layer；
OCC slurry, sawdust pulp compound and reclaim slurry and send bottom mixing pit by weight 1:1.2:1.3, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send bottom streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board bottom；
In described step with slurry, grey board lining, grey board sandwich layer and grey board bottom control reclaim slurry weight ratio
20%, sawdust pulp compound weight ratio 27%.
The present embodiment by carrying out microorganism culturing to wood flour slurry, thus to the surface chemical property of sawdust pulp and hole
Structure is modified, and the beneficially chemisorbed performance of sawdust pulp adsorbent and the synchronization of physical absorption performance improves, and effectively carries
The thickness of high grey board, tightness and deflection.
Execute example two
Embodiment two is with the difference of embodiment one, use brush wood wood chip be raw material, through sawdust pulp prepare line feed intake,
Wood chip defibrator process, refining, screen, concentrate, store up sizing process process and prepare wood flour slurry, by wood flour slurry, Hansenula yeast microorganism belonging to genus
Coordinate by weight 100:1:20 with binding agent, form compound, cultivate in following condition: temperature 50 C, time 3 days,
Described binding agent is the one of which of carboxymethyl cellulose, sodium carboxymethyl cellulose, carboxymethyl starch sodium or starch；
With slurry:
ONP slurry is copied after forebay thickens through surface layer mixing pit, surface layer, send surface layer streaming portion to be diluted, net front screening, goes
The slurry online of surface layer head box cloth, as grey board liners；
OCC slurry, sawdust pulp compound and reclaim slurry and send lining mixing pit by weight 1:1.5:1.5, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send lining streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board lining；
OCC slurry, sawdust pulp compound and reclaim slurry and send sandwich layer mixing pit by weight 1:1.5:1.5, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send sandwich layer streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board sandwich layer；
OCC slurry, sawdust pulp compound and reclaim slurry and send bottom mixing pit by weight 1:1.5:1.5, destroy forebay and enter
Row mixes, thickens, and mixing thickens disposed slurry and send bottom streaming portion to be diluted, net front screening, goes paper machine lining head box cloth to starch
Online, as grey board bottom；
In described step with slurry, grey board lining, grey board sandwich layer and grey board bottom control reclaim slurry weight ratio
30%, sawdust pulp compound weight ratio 30%.
The present embodiment by carrying out microorganism culturing to wood flour slurry, thus to the surface chemical property of sawdust pulp and hole
Structure is modified, and the beneficially chemisorbed performance of sawdust pulp adsorbent and the synchronization of physical absorption performance improves, and effectively carries
The thickness of high grey board, tightness and deflection.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (5)
1. the production method of an ash-rich height thickness chipboard, it is characterised in that comprise the following steps:
Standby slurry:
Using waste and old boxboard is raw material, feed intake through conventional OCC Pulping Line, size degradation, remove the gred, screen, concentrate, refining, storage slurry work
Skill process prepares OCC slurry；
Use old newsprint is raw material, feed intake through ONP slurry line, size degradation, remove the gred, screen, concentrate, the technical process such as dissipation of heat, storage slurry
Prepare ONP slurry；
Using brush wood wood chip is raw material, prepares line through sawdust pulp and feeds intake, wood chip defibrator process, refining, screens, concentrates, stores up sizing process
Process prepares wood flour slurry, wood flour slurry, Hansenula yeast microorganism belonging to genus and binding agent is coordinated by weight 100:1:20, is formed
Compound, cultivates in following condition: temperature 30-50 DEG C, time 3-10 days, and described binding agent is carboxymethyl cellulose, carboxylic
The one of which of sodium carboxymethylcellulose pyce, carboxymethyl starch sodium or starch；
The OCC line latter end ash low dense tailings more than 60% is collected, processes dense slagging-off in line, fine screen, dense through slurry
Contracting, storage sizing process process, prepare and reclaim slurry；
With slurry:
ONP slurry is copied after forebay thickens through surface layer mixing pit, surface layer, send surface layer streaming portion to be diluted, net front screening, removes surface layer
The slurry online of head box cloth, as grey board liners；
OCC slurry, sawdust pulp compound and recovery slurry send lining mixing pit by weight 1:1～1.5:1～1.5, destroy forebay
Carrying out mixing, thickening, mixing thickens disposed slurry and send lining streaming portion to be diluted, net front screening, removes paper machine lining head box cloth
Slurry online, as grey board lining；
OCC slurry, sawdust pulp compound and recovery slurry send sandwich layer mixing pit by weight 1:1～1.5:1～1.5, destroy forebay
Carrying out mixing, thickening, mixing thickens disposed slurry and send sandwich layer streaming portion to be diluted, net front screening, removes paper machine lining head box cloth
Slurry online, as grey board sandwich layer；
OCC slurry, sawdust pulp compound and recovery slurry send bottom mixing pit by weight 1:1～1.5:1～1.5, destroy forebay
Carrying out mixing, thickening, mixing thickens disposed slurry and send bottom streaming portion to be diluted, net front screening, removes paper machine lining head box cloth
Slurry online, as grey board bottom；
Manufacture paper with pulp:
Above-mentioned online slurry manufactures paper with pulp out through compound at the bottom of wet end drainage and formation, face lining core, splenium press dewatering, drying section after drying
Paper.
The production method of ash-rich height thickness chipboard the most according to claim 1, it is characterised in that described standby slurry step
In, using brush wood wood chip is raw material, prepares line through sawdust pulp and feeds intake, wood chip defibrator process, refining, screens, concentrates, stores up sizing process mistake
Journey prepares wood flour slurry, particularly as follows:
Wood chip carries: by brush wood wood chip from feed bin by DWG, deliver to vibrating screen through belt conveyer；
Wood chip remove impurity: wood chip screens through vibrating screen, gets rid of bark and big wooden unit, and the wood chip screened passes through bucket lifting
Machine is sent to chip bin；
Wood chip preheats: be passed through steam in wood chip pre-heating cabin, softens wood chip；
Wood chip vapour cooking: be passed through high steam in chip steaming storehouse, increases timber moisture, again softens wood chip；
Wood chip defibrator process: wood chip is sent into defibrator by feeding serew after the steaming and decocting of steaming and decocting storehouse, and wood chip grinding is become single by defibrator
Fiber；
Defibrator process slurry dilution: the sawdust pulp compound after defibrator process adjusts concentration through dilution spiral, is sent to eliminating potential pool；
Defibrator process slurry disappears latent: after sawdust pulp is dived in disappearing, send disc mill to carry out refining through thickening；
Mill refining: use double plate mill that defibrator process slurry is carried out refining, cut off and the fiber that dissociates is to reach pulping requirement；
Fine screen is screened: double plate disintegrating outlet slurry thickens through dilution, send sawdust pulp fine screen to screen；
Concentrate: the good slurry of wood flour fine screen goes slanted screen to concentrate, after concentration, prepare wood flour slurry.
The production method of ash-rich height thickness chipboard the most according to claim 2, it is characterised in that described wood chip defibrator process
In, it is simultaneously introduced the coffee grounds of gross weight 10%.
The production method of ash-rich height thickness chipboard the most according to claim 1, it is characterised in that described step with slurry
In, grey board lining, grey board sandwich layer and grey board bottom control reclaim slurry weight ratio 20～30%, sawdust pulp compound
Weight ratio 25～30%.
The production method of ash-rich height thickness chipboard the most according to claim 1, it is characterised in that described standby slurry step
In, use brush wood wood chip first brush wood wood chip to be carried out pre-preg, containing 8%Na when being raw material2SO3With 0.5%NaOH solution
Middle preimpregnation 24 hours.
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Denomination of invention: A production method for high ash content and high thickness gray cardboard Effective date of registration: 20231222 Granted publication date: 20170315 Pledgee: Bank of Communications Ltd. Zhangzhou branch Pledgor: LIANSHENG PAPER INDUSTRY (LONGHAI) Co.,Ltd. Registration number: Y2023350000261 |
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