CN106182328B - The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice - Google Patents
The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice Download PDFInfo
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- CN106182328B CN106182328B CN201610746407.8A CN201610746407A CN106182328B CN 106182328 B CN106182328 B CN 106182328B CN 201610746407 A CN201610746407 A CN 201610746407A CN 106182328 B CN106182328 B CN 106182328B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The present invention provides a kind of methods that sieve method twice screens the production particieboard of the bark in full Eucalyptus leftover pieces, solve Eucalyptus leftover pieces bark influences product quality problem more, complete: raw material rough segmentation that -- dry -- -- -- -- adjusting glue mixing, -- -- plate is selected in post-processing -- sanding -- to the bark of screening screening for the first time, can finally suppress high-quality environmentally friendly particieboard for pre- hot pressing for sorting polishing for second separation table, sandwich layer wood shavings by following processing step.
Description
Technical field
The invention belongs to wood-based plate manufacturing field, especially a kind of method using wood particulate production particieboard.
Background technique
Particieboard is that wood-based plate is one such, particieboard (Particle board), also known as flakeboard, particle board,
Grain plate, wood wool board etc., are made wood shavings (particle) using timber or other lignocellulosics as basic material, after application adhesive
The wood-based plate composed under temperature and pressure effect.Because particieboard structure is relatively uniform, processing performance is good, can according to need
It is processed into the plate of large format, is widely used in the fields such as furniture, office, timber floor and interior decoration, applies also for building
Industry and train, automobile bodies manufacture.
The raw material of production particieboard includes wood particulate or lignocellulosic material, adhesive and additive, wood particulate or
Lignocellulosic material accounts for 90% or so of plate dry weight, and adhesive and additive account for 10% or so；Wood particulate is derived between forest zone more
Cut down material, small dimension wood (diameter is usually at 8 centimetres or less), logging residue and wood machining residues etc..Wood particulate includes into
Sheet, strip, needle-shaped, granular wood chip, wood shavings, wood wool, sawdust etc.；In addition, non-wooden material such as plant haulm, seed hulls skin
It may be made as plate, name often titled with material therefor name, as pine particieboard, bagasse (wood shavings) plate, reed plate, hemp stalk are broken
Grain plate etc..Adhesive is mostly used urea-formaldehyde resin adhesive and phenolic resin glue, the former rouge color is light, and solidification temperature is low, to various plant materials
Such as straw, rice husk particieboard have good adhesion effect, and hot pressing temperature is 160~240 DEG C.It is widely used in production, but
There is the shortcomings that release free formaldehyde high pollution environment.
Shaving shape is the deciding factor of board quality, therefore first has to produce qualified wood shavings.Timber processing
The wood shavings of middle residue can be used as the sandwich layer of particieboard through reprocessing.Surface layer wood shavings are mainly with the residue in felling or processing
(such as sawdust) and special grinding apparatus processing are produced.The length of wood shavings, thickness, wide size because production method and for make sandwich layer or
Surface layer etc. and it is different.The process equipment for preparing wood shavings has the equipment such as wood chipping equipment, ring flaker, desintegrator, sander, cutting way
There are cutting, cutting and slicing, broken etc..To obtain high-quality wood shavings, by cutting, slicing, screening, polishing and broken again need to wait
Journey.
Manufactured goods particieboard does not need to process again, can directly use, and sound-absorbing and sound insulation value are also fine.But it also has
Its intrinsic disadvantage is easy moisture absorption, so just seeming especially heavy with particle boards to manufacturing edge sealing of furniture technique because of edge roughness
It wants.It is larger additionally, due to particieboard volume, with its Hepplewhite, for other plates, also than heavier.
In recent years, the provinces such as Guangdong and Guangxi Provinces, Yunnan, Fujian, Guizhou, Hainan of south China start to introduce a fine variety is trained by Guangxi state-owned forest farms
The fast-growing eucalyptus kind educated, fast-growing Eucalyptus are a kind of leaf woods of light color, and wood grain is close and irregular, and sapwood layer is wider, in white
To pale pink；The light brown red that core material has.The fast-growing eucalyptus speed of growth is fast at present, can become a useful person within 3 years, hill farmer is largely planted,
50% or more of timber can be utilized by being accounted for south, in addition the arboreal growths such as original tree species such as pine tree, Chinese fir, margosa are slower, as
Wildwood is no longer able to haggle and cut down, and the timber yield of 1 mu of fast-growing eucalyptus is equivalent to 5 mu or more of wildwood yield, and eucalyptus is only
The 13.7% of forest in Guangxi area is accounted for, but solves the timber demand in 80% or more Guangxi, 20% or more the whole nation.
So fast-growing eucalyptus plate manufacturing enterprise rapid emergence, production method are to be peeled into plate after cutting down eucalyptus, do
Plate is bonded into multi-layer board with adhesive again after dry, this multi-layer board is also referred to as solid wood plywood, can be used as good office and uses
The multiple uses such as product, timber floor, furniture and building-supporting plate, but a large amount of corner timber can be generated in multiple-plate production,
Either in cutting, rotary-cut or adhesion process, many leftover pieces can be all generated, these multi-layer board factories, leftover pieces initial stage is only
It can be burnt up as fuel, cause the great wasting of resources.
Chinese patent discloses some methods for using culled wood to produce particieboard for raw material, such as:
1, application number: 200710065965.9, denomination of invention: a kind of particieboard, it is to be related to one kind to recycle once
Property chopsticks be raw material production particieboard, belong to composite wooden material technical field.Wood shavings board raw material are as follows: the throwaway chopsticks of recycling
1-100%, conventional raw material 0-99%.Particieboard of the invention using conventional production technology preparation, specifically: recycling it is disposable
Chopsticks are processed into wood shavings after washing, obtain again through processes such as drying, sizing, hot pressing.
2, application number: 201310016324.X, denomination of invention: method for making particle board；It will be originated from wood materials
Particle forms slab, when then carrying out compacting manufacture particieboard to the slab, by using low-gravity wood materials and with slab
The high compression ratio of thickness and hair plates thickness is suppressed, and can be made light-weight at low cost and have splendid intensity, ruler
The particieboard of very little stability and surface characteristic.
3, application number: 201010265173.8；Denomination of invention: particieboard discloses a kind of orientation for structure application
Structural particleboard and its manufacturing method include: the long stock that length-width ratio is greater than 2, and shell of this strand from oil palm leaf section, which is
The by-product formed when harvesting oil palm tree fruit, therefore section chief is about limited to 1 meter, this strand is cut from the housing region of oil palm leaf
Out, and the outside in the main face of at least oriented structure chipboard.
Particieboard disclosed in above-mentioned document is disclosed to be pressed into using throwaway chopsticks, oil palm tree and low-gravity wood materials
The method of particieboard, but have no and the corner timber of fast-growing eucalyptus production process of plate is used to produce full Eucalyptus leftover pieces plane for raw material
The report of card.
Moreover, mostly use leftover pieces greatly in existing particieboard production process, due to doped with more bark, performance with
Wooden core difference is larger, if it is soft or hard not identical to will lead to each position of the particieboard produced by its hot pressing together, absorb water journey
Degree, intensity is not identical (bark is softer, and wooden core is harder) yet, so the board quality produced is difficult to ensure, and sets at present
The screening of skin is the technical problem being not easily solved.
Summary of the invention
The object of the present invention is to provide a kind of corner timber for using fast-growing eucalyptus production process of plate to produce full eucalyptus for hot pressing
The method of the wooden leftover pieces particieboard, and solve the technical problem of the screening of bark before hot pressing.
The technical scheme of the present invention is realized as follows:
The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice comprises the following steps that:
(1) raw material rough segmentation
By the leftover pieces for producing Eucalyptus glued board through first separation metal and stone, is chipped, sent after simple screening to wood
Piece storage transitional storehouse is stored, and is then delivered to chipper by spiral conveyer and is carried out slicing, then send through scratch board conveyor
It is stored into wet wood shavings material transitional storehouse；The moisture content of wet wood shavings should be maintained at 45% or less；
The slicing is to use ring planer, after aniseed and sandstone, iron sundries are first sorted, then slicing, it is closed
Wood shavings are used in the particieboard production of lattice；
(2) dry
Wet wood shavings are delivered in roller drier through scratch board conveyor to be dried by high-temperature flue gas, contains the end of wood shavings
Water rate is in 1.5-2.5%, and bark and wood shavings are mixed in together in dried material at this time；
(3) bark of screening separation for the first time
The later wood shavings of drying are easily tied by the difference of screen mesh size using bark fiber using three rectangle swinging screens
Group's principle sorting enters the sorting of next stage swinging screen, the bark of upper layer conglomeration as acceptable material through the wood shavings of upper screen
It is transferred to production line and is used to be polished into surface layer material use；
(4) second of screening separation table, sandwich layer wood shavings
The qualified wood shavings that rectangle swinging screen is sorted utilize the difference of different layers screen mesh size by three three layers of swinging screens,
Wood shavings are separated into surface layer wood shavings fines, sandwich layer wood shavings qualification material, excessive wood shavings；
(5) polishing sorting
The excessive wood shavings for sieving isolated bark and second of screening separation for the first time are polished into surface layer material by sander,
Sandstone, excessive material are separated by winnowing machine, the feeding dry wood shavings storehouse in surface layer is spare, and qualification material separates sandstone by sandwich layer winnowing machine
And after crossing aniseed, it is spare to be sent into the dry wood shavings storehouse of sandwich layer；
(6) glue mixing is adjusted
The qualified dry wood shavings of watch core layer are transported through transporter, are sent to glue mixer, while impregnation after the metering of chip metering feed bin
Adhesive and additive required by technique are arrived glue mixer, wood shavings and adhesive in watch core layer glue mixing by pump after metering by workshop section
Under being sufficiently stirred of machine, achieve the effect that uniformly to mix and be sufficiently glued, wood shavings and bark fiber material account for the 85- of plate dry weight
90%, adhesive and additive account for 10-15%；
(7) mat formation molding, pre- hot pressing
Wood shavings after sizing are sent through belt conveyer to mechanical classification diamond roller spreading machine, by mechanical classification mat formation unit paving
The slab of uniform ground out makes slab compression forming have certain conveying intensity by certain pressure；
Shaping slab is pressed into plate in continuous hot press, through temperature, pressure and hot pressing time；Hot press Temperature Distribution
From high to low: 230-245 DEG C of heating zone first stage；220-240 DEG C of second stage；210-230 DEG C of phase III；Final stage
190-220℃；
(8) treatment and finishing section
Profiled sheeting will with fork truck after the cooling of cooling plate rack turnover panel to corresponding size by briar and deburring saw sawing
The good plate fork of stacking is put into semi-finished product storehouse and carries out equilibrium moisture content processing in 72 hours；
(9) sanding workshop section, the particieboard through cooling stacking are sent to sanding production line and carry out sanding, sawing, and sand goes to surface
Pre-hardening thickness is sawed into the production board of standard breadth or customer requirement；
(10) Xuan Ban workshop section, the offline plate of sanding cross sorting through equipment, according to finished appearance and inherent physical property
Difference is classified into different brackets plate as required, is packed and is put in storage.
The invention has the advantages that
1, sheet of veneer is peeled into after felling since Eucalyptus is a kind of fast growing wood using Eucalyptus leftover pieces production particieboard, done
Plate is bonded into multi-layer solid wood glued board with adhesive again after dry, can be used as good office appliance, timber floor, furniture and is built
The multiple uses such as support plate are built, but either in cutting, rotary-cut or adhesion process in multiple-plate production process, can all be generated
Many particles, leftover pieces, these multi-layer board factories, this kind of raw material initial stage can only burn up as fuel, cause great money
Source waste, the present invention use leftover pieces, are a kind of directions for making full use of resource, saving timber.
From the point of view of the Guigang of Guangxi Zhuang Autonomous Region, there are thousands of plywood factories in the whole city, and the Eucalyptus such as broken veneer are resourceful,
The present invention uses full Eucalyptus leftover pieces extrusion chipboard, and primary raw material is broken veneer (accounting for about 60%), be secondly the butt of Eucalyptus wood,
Wooden chaff etc. (accounts for about 40%).
2, for eucalyptus bark problem, we are primary to swing knot using three rectangular mesh screens using the bark of screening screening twice
Group's screening bark, regrading separate table, sandwich layer wood shavings, meet manufacturing technique requirent, enhance product performance.
3, modified urea-formaldehyde resin is used according to the characteristic of environmentally friendly particieboard, it is cheap which has a raw material, manufacture craft
The advantages that easy to operate, production glue adhesive strength is high, colorless and transparent, and low formaldehyde gas discharges, and is a kind of environmental type
Resin.
4, the plate that the method for the present invention manufactures can paste melamine impregnated paper on surface, manufacture high-grade desktop,
The plates such as wardrobe cupboard board, partition, timber floor, ceiling.
5, the particieboard of the standard that plate reaches, above method production is up to state standards " particieboard " GB/T4897-
2015 requirements and " burst size of methanal in indoor decorating and refurnishing materials wood-based plate and its product " GB18570-2001 requirement.
Specific embodiment
Embodiment 1
The processing step that the method that sieve method removes the production particieboard of the bark in full Eucalyptus leftover pieces twice includes is as follows:
(1) raw material rough segmentation
By the leftover pieces for producing Eucalyptus glued board through first separation metal and stone, is chipped, sent after simple screening to wood
Piece storage transitional storehouse is stored, and is then delivered to chipper by spiral conveyer and is carried out slicing, then send through scratch board conveyor
It is stored into wet wood shavings material transitional storehouse；The moisture content of wet wood shavings should be maintained at 45% or less；
The slicing is to use ring planer, after aniseed and sandstone, iron sundries are first sorted, then slicing, it is closed
Wood shavings are used in the particieboard production of lattice；
(2) dry
Wet wood shavings are delivered in roller drier through scratch board conveyor to be dried by high-temperature flue gas, contains the end of wood shavings
Water rate is in 1.5-2.5%, and bark and wood shavings are mixed in together in dried material at this time；
(3) bark of screening separation for the first time
The later wood shavings of drying are easily tied by the difference of screen mesh size using bark fiber using three rectangle swinging screens
Group's principle sorting enters the sorting of next stage swinging screen, the bark of upper layer conglomeration as acceptable material through the wood shavings of upper screen
It is transferred to production line and is used to be polished into surface layer material use；
(4) second of screening separation table, sandwich layer wood shavings
The qualified wood shavings that rectangle swinging screen is sorted utilize the difference of different layers screen mesh size by three three layers of swinging screens,
Wood shavings are separated into surface layer wood shavings fines, sandwich layer wood shavings qualification material, excessive wood shavings；
(5) polishing sorting
The excessive wood shavings for sieving isolated bark and second of screening separation for the first time are polished into surface layer material by sander,
Sandstone, excessive material are separated by winnowing machine, the feeding dry wood shavings storehouse in surface layer is spare, and qualification material separates sandstone by sandwich layer winnowing machine
And after crossing aniseed, it is spare to be sent into the dry wood shavings storehouse of sandwich layer；
(6) glue mixing is adjusted
The qualified dry wood shavings of watch core layer are transported through transporter, are sent to glue mixer, while impregnation after the metering of chip metering feed bin
Adhesive and additive required by technique are arrived glue mixer, wood shavings and adhesive in watch core layer glue mixing by pump after metering by workshop section
Under being sufficiently stirred of machine, achieve the effect that uniformly to mix and be sufficiently glued, wood shavings and bark fiber material account for the 85- of plate dry weight
90%, adhesive and additive account for 10-15%；
(7) mat formation molding, pre- hot pressing
Wood shavings after sizing are sent through belt conveyer to mechanical classification diamond roller spreading machine, by mechanical classification mat formation unit paving
The slab of uniform ground out makes slab compression forming have certain conveying intensity by certain pressure；
Shaping slab is pressed into plate in continuous hot press, through temperature, pressure and hot pressing time；Hot press Temperature Distribution
From high to low: 230-245 DEG C of heating zone first stage；220-240 DEG C of second stage；210-230 DEG C of phase III；Final stage
190-220℃。
(8) treatment and finishing section
Profiled sheeting will with fork truck after the cooling of cooling plate rack turnover panel to corresponding size by briar and deburring saw sawing
The good plate fork of stacking is put into semi-finished product storehouse and carries out equilibrium moisture content processing in 72 hours；
(9) sanding workshop section, the particieboard through cooling stacking are sent to sanding production line and carry out sanding, sawing, and sand goes to surface
Pre-hardening thickness is sawed into the production board of standard breadth or customer requirement；
(10) Xuan Ban workshop section, the offline plate of sanding cross sorting through equipment, according to finished appearance and inherent physical property
Difference is classified into different brackets plate as required, is packed and is put in storage.
The particieboard of above-mentioned production be up to state standards " particieboard " GB/T4897-2015 require and " indoor decorating
Burst size of methanal in material wood-based plate and its product " GB18570-2001 requirement.
Above-mentioned plate can be used as manufacturing furniture.
Embodiment 2
Processing step is with embodiment 1, and the plate of production passes through veneer, for manufacturing high-grade desktop.
Embodiment 3
Processing step is with embodiment 1, and the plate of production passes through veneer, for manufacturing timber floor.
Claims (3)
1. the method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice, it is characterised in that: by following work
Skill step is completed:
(1) raw material rough segmentation
By the leftover pieces for producing Eucalyptus glued board through first separation metal and stone, is chipped, send after simple screening to wood chip and deposit
It puts transitional storehouse to be stored, chipper is then delivered to by spiral conveyer and carries out slicing, then is sent to through scratch board conveyor wet
It is stored in wood shavings material transitional storehouse；The moisture content of wet wood shavings should be maintained at 45% or less；
The slicing is to use ring planer, after aniseed and sandstone, iron sundries are first sorted, then slicing, obtain qualification
Wood shavings are used in particieboard production；
(2) dry
Wet wood shavings are delivered in roller drier through scratch board conveyor to be dried by high-temperature flue gas, makes the whole moisture content of wood shavings
In 1.5-2.5%, bark and wood shavings are mixed in together in dried material at this time；
(3) bark of screening separation for the first time
It is former using bark fiber easy to knot groups by the later wood shavings of drying using three rectangle swinging screens by the difference of screen mesh size
Reason sorting enters the sorting of next stage swinging screen as acceptable material through the wood shavings of upper screen, and the bark of upper layer conglomeration is transferred to
Production line is used to be polished into surface layer material and uses；
(4) second of screening separation table, sandwich layer wood shavings
The qualified wood shavings that rectangle swinging screen is sorted utilize the difference of different layers screen mesh size by three three layers of swinging screens, will dig
Flower is separated into surface layer wood shavings fines, sandwich layer wood shavings qualification material, excessive wood shavings；
(5) polishing sorting
The excessive wood shavings for sieving isolated bark and second of screening separation for the first time are polished into surface layer material by sander, pass through
Winnowing machine separates sandstone, excessive material, and the feeding dry wood shavings storehouse in surface layer is spare, and qualification material is by sandwich layer winnowing machine separation sandstone and mistake
After aniseed, it is spare to be sent into the dry wood shavings storehouse of sandwich layer；
(6) glue mixing is adjusted
The qualified dry wood shavings of watch core layer are transported through transporter, are sent to glue mixer, while impregnation workshop section after the metering of chip metering feed bin
Adhesive and additive required by technique are arrived into glue mixer, wood shavings and adhesive in watch core layer glue mixer by pump after metering
It being sufficiently stirred down, achievees the effect that uniformly to mix and be sufficiently glued, wood shavings and bark fiber material account for the 85-90% of plate dry weight,
Adhesive and additive account for 10-15%；
(7) mat formation molding, pre- hot pressing
Wood shavings after sizing are sent through belt conveyer to mechanical classification diamond roller spreading machine, are spread out by mechanical classification unit of mating formation
Even smooth slab makes slab compression forming have certain conveying intensity by certain pressure；
Shaping slab is pressed into plate in continuous hot press, through temperature, pressure and hot pressing time；
(8) treatment and finishing section
Profiled sheeting arrives corresponding size by briar and deburring saw sawing, after cooling plate rack turnover panel cools down, with fork truck by stacking
Good plate fork is put into semi-finished product storehouse and carries out equilibrium moisture content processing in 72 hours；
(9) sanding workshop section, the particieboard through cooling stacking are sent to sanding production line and carry out sanding, sawing, and sand goes to surface pre- solid
Change layer, is sawed into the production board of standard breadth or customer requirement；
(10) Xuan Ban workshop section, the offline plate of sanding cross sorting through equipment, according to finished appearance and the difference of inherent physical property,
It is classified into different brackets plate as required, is packed and is put in storage；
The step (7) mat formation molding, in pre- hot pressing, hot press Temperature Distribution from high to low: heating zone first stage 230-
245℃；220-240 DEG C of second stage；210-230 DEG C of phase III；190-220 DEG C of final stage.
2. the method that sieve method twice according to claim 1 screens the production particieboard of the bark in full Eucalyptus leftover pieces,
It is characterized by: in step (1), the leftover pieces are unavailable useless during the more Eucalyptus laminates of rotary-cut Eucalyptus plate system
Material.
3. the method that sieve method twice described in claim 1 screens the production particieboard of the bark in full Eucalyptus leftover pieces, special
Sign is: the particieboard is as the high-grade desktop of manufacture, wardrobe cupboard board, partition, timber floor, furniture and office appliance plate
Substrate material.
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| CN201610746407.8A CN106182328B (en) | 2016-08-29 | 2016-08-29 | The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice |
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| CN201610746407.8A CN106182328B (en) | 2016-08-29 | 2016-08-29 | The method that sieve method screens the production particieboard of the bark in full Eucalyptus leftover pieces twice |
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| CN107243975B (en) * | 2017-07-03 | 2019-04-30 | 盘锦积葭生态板业有限公司 | A kind of reed-shavings board and preparation method thereof |
| CN107984580A (en) * | 2017-11-24 | 2018-05-04 | 万华生态板业(信阳)有限公司 | The preparation method of plate wood shavings and the preparation method of wood-based plate |
| CN108177227A (en) * | 2017-12-14 | 2018-06-19 | 万华生态板业(信阳)有限公司 | The manufacturing method of wood shavings fiber composite plate and wood shavings fiber composite plate |
| CN108748597B (en) * | 2018-06-19 | 2023-08-04 | 万华禾香集团有限公司 | Method for manufacturing multi-layer shaving board and multi-layer shaving board |
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| CN101607408A (en) * | 2008-06-18 | 2009-12-23 | 上海万象木业有限公司 | Utilize urban waste wood materials to make the production method of particieboard |
| CN102310453A (en) * | 2010-07-08 | 2012-01-11 | 巨野沃德森板业有限公司 | Method for manufacturing regenerated composite boards by using waste wood |
| CN203665658U (en) * | 2014-01-24 | 2014-06-25 | 昌吉州锐通木业有限公司 | System for producing particleboards with three-waste wood materials |
| CN105082316A (en) * | 2015-07-07 | 2015-11-25 | 鸿伟木业（仁化）有限公司 | Production process for eucalyptus veneer formaldehyde-free shaving board |
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2016
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