CN109624016A - A kind of superpower particieboard manufacturing process changing shaving shape structure - Google Patents
A kind of superpower particieboard manufacturing process changing shaving shape structure Download PDFInfo
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- CN109624016A CN109624016A CN201811564300.7A CN201811564300A CN109624016A CN 109624016 A CN109624016 A CN 109624016A CN 201811564300 A CN201811564300 A CN 201811564300A CN 109624016 A CN109624016 A CN 109624016A
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- wood shavings
- dry
- layer
- particieboard
- dry wood
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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
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
-
- 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
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- 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
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- 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
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled 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
-
- 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
Abstract
The present invention relates to artificial board manufacturing technology fields, the processes such as the specially a kind of superpower particieboard manufacturing process for changing shaving shape structure, including woodchip, flaking, drying, screening, sizing, paving prefabricating, hot pressing, turnover panel cooling, sanding sawing, inspection point etc., storage packaging.The superpower board quality performance that the present invention manufactures is much better than European oriented wood chipboard " EN300:2006-OSB " and the standard of " T/CTWPDA03-2017 can facing particieboard ", the close even up to strength level of core-board or glued board of its intensity, other than the density of mechanical strength highest and same intensity plate with equal densities plate is minimum to the more distinguishing features such as supernumerary segment material, uniformly the closely knit mechanical mechanics property for making particieboard is greatly improved product structure simultaneously, therefore also have dimensionally stable indeformable, the advantages that thickness deviation is small, the transition and upgrade of industry of artificial boards especially particieboard industry is greatly pushed.
Description
Technical field
The invention belongs to wood-based plate manufacturing technology field, specially a kind of superpower particieboard system for changing shaving shape structure
Make technique.
Background technique
Particieboard is one of principal item of wood-based plate, be by timber or non-wood plant fibre Raw material processing at wood shavings or
Particle, then apply adhesive and other additives, through one kind wood-based plate made of hot pressing after group embryo forming.The raw material of wood-based plate
From a wealth of sources, product not only has Vertical density gradient uniform, and mechanical mechanics are good, and easy secondary operation and environmentally friendly coefficient height etc. are excellent
Gesture, but also there is surfacing, sound-absorbing sound insulation, insulation, anti-pollution, ageing-resistant and lower-price characteristic, so that particieboard
It is used widely in fields such as Furniture manufacture, packaging and decorations.The development of particieboard industry realizes wooden resource
High-efficiency comprehensive utilization alleviates the status of China's timber resource shortage, and China's forest product industry transition and upgrade has been driven to develop.
The particieboard of prior art production is there are Mechanics of Machinery low strength, surface smoothness is low, poor dimensional stability and
The problems such as production process consumption of raw materials is big can not be applied to the fields such as top-grade furniture, timber floor and building industry, decorations,
It is difficult to meet the market demand of customization household fast development and the needs of wood shavings board industry transition and upgrade.
Summary of the invention
For above-mentioned deficiency, a kind of superpower particieboard manufacturing process for changing shaving shape structure of the present invention,
On the basis of not changing the rotating cylinder ordinary particle board technological process of production, special super large is filtered out by four layers of wood shavings screening plant
Wood shavings, force plane flower, wood wool, then apply composite modified urea-formaldehyde resin adhesive and continuous hot-press etc. to dry wood shavings through roller glue mixer and close
The improvement of key production technology realizes the ratio for changing shaving shape structure and scientific and reasonable collocation watch core layer wood shavings, so that system
The intensity for the wood shavings panel products produced not only has equal densities close to the even up to strength level of core-board or glued board
Density is minimum to distinguishing features such as material savings in intensity highest and same intensity plate in plate, and product itself structure is equal
Even closely knit, plate face is flat and smooth, has that dimensionally stable is indeformable, thickness deviation is small, can directly facing processing, greatly improve plane
The advantages that mechanical strength properties of card, efficiently solve the above problem.The alternative current decoration marked of this product uses simultaneously
Widest core-board or glued board, strengthen particieboard answering in fields such as top-grade furniture, floor, wallboard and floorboards
With so that wood shavings panel products are extended to decorations field from traditional field of furniture.
To achieve the goals above, The technical solution adopted by the invention is as follows:
It is a kind of change shaving shape structure superpower particieboard manufacturing process, comprise the following steps that, woodchip, flaking,
Particle drying, the screening of dry wood shavings, sizing, paving prefabricating, hot pressing, turnover panel cooling, sanding sawing, it is characterised in that: the flaking
Refer to through super large chipper and ring flaker that by wooden sheet plane, the super large chipper digs wooden sheet at excessive at wood shavings
Wood shavings, super large wood shavings and force plane flower, the ring flaker by wooden sheet dig at force plane flower and wood wool, the super large wood shavings and
Force plane flower is used to the sandwich layer of production particieboard, and the wood wool is used to make the surface layer of particieboard；
The dry wood shavings screening refer to after particle drying by four layers of screen device respectively by excessive dry wood shavings, the dry wood shavings of super large,
Thick dry wood shavings, thin dry wood shavings screen out and, and the first layer sieve, which is responsible for screening out excessive dry wood shavings, to be come, the second layer sieve
Net is responsible for screening out the dry wood shavings of super large to come, and the third layer sieve is responsible for screening out by thick dry wood shavings, the 4th layer of sieve
Net is responsible for screening out by thin dry wood shavings, and the excessive dry wood shavings enter sander by scraper plate after being sized out and are polished into carefully
Dry wood shavings, then the standby material storage after winnowing machine selection by winnowing into the dry wood shavings in surface layer is deposited, and the dry wood shavings of super large are sized out
Come after by Pneumatic conveyer enter the dry wood shavings of sandwich layer feed bin storage, it is described slightly dry wood shavings be sized out after through winnowing machine
Standby material storage after selection by winnowing into the dry wood shavings of sandwich layer is deposited, and the thin dry wood shavings enter after winnowing machine selection by winnowing out after being sized
The feed bin of the dry wood shavings in surface layer stores；
The sizing, which refers to, continuously and uniformly applies environmentally friendly gluing to thin dry wood shavings i.e. surface layer wood shavings using horizontal high-speed glue mixer
Agent and waterproof agent emulsion, using low speed oriented structure chipboard roller glue mixer continuously and uniformly to the dry wood shavings of super large and thick dry plane
Flower is that sandwich layer wood shavings apply environment-protective adhesive, waterproof agent emulsion；
The hot pressing is using multistep temperature control gradient heat pressing process.
Further, the knife amount of stretching of the super large chipper is 1.0-1.3mm, and knife door gap is 2.1-3.5mm, the ring
The knife amount of stretching of formula chipper is 0.8-1.0mm, and knife door gap is 1.5-2.0mm.
Further, the mesh size of sieve described in first layer is 8.0mm × 40mm, the mesh ruler of sieve described in the second layer
Very little is 5mm × 5mm, and the mesh size of sieve described in third layer is 1.0mm × 2.18mm, the mesh size of the 4th layer of sieve
For 0.019mm × 0.019mm.
Further, the moisture content before the particle drying is 40%~65%, and the moisture content after drying is 1%~2.5%, is done
Dry medium is high-temperature flue gas.
Further, the screening value of screening value >=75% of the thin dry wood shavings, the dry wood shavings of super large and thick dry wood shavings >=
90%。
Further, the diameter of cylinder of the low speed oriented structure chipboard roller glue mixer is 3300mm, drum length
For 7600 mm, contain 9 atomizers and glue mixing module.
Further, the environment-protective adhesive is composite modified urea-formaldehyde resin adhesive, by E0 grade urea-formaldehyde resin or melamine
Modified urea-formaldehyde resin is mixed evenly at normal temperature with emulsification methyl diphenylene diisocyanate, wherein the E0 grades of urea
The parts by weight of urea formaldehyde or cyanurotriamide modified urea resin are 90~99 parts, the emulsification methyl diphenylene diisocyanate
Parts by weight are 1~10 part.
Further, after dry wood shavings sizing, wood shavings account for the 83.0%~90.5% of plate dry weight, and the environment-protective adhesive on surface layer accounts for
Plate dry weight 6.0%~9.9%, the waterproofing agent on surface layer account for the 0.3%~0.6% of plate dry weight；The environment-protective adhesive of sandwich layer accounts for plate
Dry weight 3.0%~6.0%, the waterproofing agent of sandwich layer account for the 0.2%~0.5% of plate dry weight.
Further, the paving prefabricating is that surface layer wood shavings and sandwich layer wood shavings after sizing through belt conveyer are delivered to machine
Tool is classified diamond roller spreading machine, successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings by mechanical classification spreading machine
Sequence spread out the slab of uniform ground, then by preformer pre-molding, preformer pressure >=40% when precompressed, surface layer wood shavings
The 30-45% of shaping slab is accounted for, surface layer wood shavings moisture content is 8-12%, and intermediate core layer wood shavings account for the 55-70% of shaping slab, intermediate
The moisture content of sandwich layer wood shavings is 4-8%.
Further, the multistep temperature control gradient heat pressing process is five field gradient heat pressing process, and the hot pressing is using continuous
Flat press carries out, and hot pressing speed is 200~450mm/s, and the hot pressing factor is 5.5~9.0s/mm, and thermal medium is conduction oil,
The Temperature Distribution of continuous flat press is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 0.2~4.0MPa of pressure, 225~255 DEG C of temperature；
2nd area: 1.5~3.8MPa of pressure, 215~245 DEG C of temperature；
3rd area: 1.0~2.0MPa of pressure, 215~235 DEG C of temperature；
4th area: 0.5~1.3MPa of pressure, 200~220 DEG C of temperature；
5th area: 0.2~1.6MPa of pressure, 165~185 DEG C of temperature.
Manufacturing process of the invention is as follows:
(1) woodchip
Once chip after the raw materials such as wooden small firewood material, leftover bits, cutting material and particle are matched well in proportion through wood chipping equipment,
Wooden sheet is sent to transitional storehouse after separation, simple screening and is stored, the wooden small firewood material is the harvestings of wood such as eucalyptus pine weedtree
It cannot function as the short and small brush wood of wood utilization in journey, the leftover bits are rotary-cut Eucalyptus or pine or weedtree production glued board
During unavailable sheet of veneer or the waste materials such as bagasse or stalk or Chinese herb residues, cutting material be the harvesting of wood or
Residue in rotary-cut processing, such as timber butt, edges of boards, the pure material is the wooden chaff etc. generated in timber processing.
(2) flaking
Before flaking, first for the first time the metal object in wooden sheet is absorbed out with magnetic separator, it then will be wooden by spiral conveyer
Material piece is delivered to super large chipper, ring flaker slicing into wood shavings, and then wood shavings carry out the second minor metal spy through magnetic separator again
It surveys and absorbs, wood shavings are sent to by the storage of wood shavings transition feed bin by belt conveyer after remaining metal object is absorbed out, at this time
The size of all wood shavings is 30 millimeters of length <, 3.5 millimeters of width <, 1.0 millimeters of thickness <.
(3) particle drying
The wood shavings come just are dug from wood chip and are known as wet wood shavings, and wet wood shavings moisture content is 40%~65%, and wet wood shavings are conveyed through transporter
It is dried into roller drier by high-temperature flue gas, the inlet temperature of drying drum is 250-270 DEG C, and outlet temperature is
130-155 DEG C, the wood shavings moisture content after drying is 1-2.5%.
(4) dry wood shavings screening
Wood shavings after drying are sieved by four layers of screen device, the mesh size of the first layer sieve be 8.0mm ×
40mm, the mesh size of the second layer sieve are 5mm × 5mm, the mesh size of the third layer sieve be 1.0mm ×
2.18mm, the mesh size of the 4th layer of sieve are 0.019mm × 0.019mm；Wood shavings dry first are sieved through first layer sieve,
By first layer sieve screen out come be excessive dry wood shavings, the excessive dry wood shavings for being sized out enter sander by scraper plate and beat
Thin dry wood shavings are worn into, then enter the dry wood shavings in surface layer after winnowing machine is separated off sandstone and a small number of excessive wood shavings not being polished
Standby material storage deposit, then dry wood shavings are sieved through second layer sieve again, and being screened out come by second layer sieve is the dry plane of super large
Flower, the dry wood shavings of the super large for being sized out enter the dry wood shavings feed bin of sandwich layer by Pneumatic conveyer and store, then remaining dry
Wood shavings are sieved through third layer sieve, and being screened out come by third layer sieve is thick dry wood shavings, the thick dry wood shavings warp for being sized out
Winnowing machine is separated off sandstone and the standby material storage after a small number of excessive wood shavings into the dry wood shavings of sandwich layer and deposits, last remaining dry plane
Hua Zaijing the 4th layer of sieve screening, being screened out come by the 4th layer of sieve is thin dry wood shavings, the thin dry wood shavings warp for being sized out
Winnowing machine is separated off the feed bin storage for entering the dry wood shavings in surface layer after sandstone, a small number of super large wood shavings and force plane are spent, final only surplus
Lower fine powder wood shavings, such fine powder wood shavings cannot be used for producing, and can only do wooden fuel's processing；The screening of the thin dry wood shavings
The screening value of value >=80%, the dry wood shavings of super large and thick dry wood shavings is >=95%；
The dry wood shavings of super large are conveyed by pneumatic plant, greatly reduces and secondary breakage is avoided to the extruding of super large wood shavings.
(5) it is glued
It sieves the qualified dry wood shavings of super large and thick dry wood shavings is transported through transporter, low speed orientation is sent to after the metering of chip metering feed bin
The sizing of structural particleboard roller glue mixer, the diameter of cylinder of glue mixer is 3300mm, about 7600 mm of drum length, containing 9 atomizations
Device and glue mixing module；Qualified thin dry wood shavings are transported through transporter, are sent to horizontal high-speed glue mixing after the metering of chip metering feed bin
Machine sizing, while individually pumping after environment-protective adhesive required by technique and waterproof agent emulsion are precisely measured by PLC to glue mixing
In machine, wood shavings and glue reach uniform sizing under being sufficiently stirred of different types of glue mixer and mix sufficient effect, this
When wood shavings account for the 83.0-90.5% of plate dry weight, environment-protective adhesive accounts for the 9.0-15.9% of plate dry weight, and waterproofing agent accounts for plate dry weight
0.5-1.1%；
It is in order to which continuous uniform is applied to the dry wood shavings of super large, thick dry wood shavings with the sizing of low speed oriented structure chipboard roller glue mixer
Add environment-protective adhesive and waterproof agent emulsion, while greatly reducing traditional glue mixer and secondary break is avoided to the extruding of super large wood shavings
Damage, the form so as to the dry wood shavings of sandwich layer needed for ensuring superpower particieboard are not destroyed, ensure that product high intensity and
Quality is stablized.
(6) paving prefabricating
Surface layer wood shavings and sandwich layer wood shavings after sizing are delivered to mechanical classification diamond roller spreading machine through belt conveyer, by machinery point
Grade spreading machine successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings sequence and spreads out the slab of uniform ground, then
By preformer pre-molding, preformer pressure >=40% when precompressed, surface layer wood shavings account for the 30-45% of shaping slab, surface layer wood shavings
Moisture content is 8-12%, and intermediate core layer wood shavings account for the 55-70% of shaping slab, and the moisture content of intermediate core layer wood shavings is 4-8%.
Wherein, the intermediate core layer of slab is the mixture of super large wood shavings and force plane flower, and force plane flower only accounts for less ratio, when only
There is the intermediate core layer that slab can also be made when super large wood shavings, force plane flower is intended only as spare.
(7) hot pressing
Enter continuous flat press by way of hot pressing through certain temperature, pressure and time after the weighed qualification of shaping slab
After suppress profiled sheeting, this process is using multistep temperature control gradient heat pressing process, i.e. five field gradient heat pressing process, continuous flat
The speed of hot press hot pressing is 200~450mm/s, and the hot pressing factor is 5.5~9.0s/mm, and thermal medium is conduction oil, continuous flat
The Temperature Distribution of hot press is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 0.2~4.0MPa of pressure, 225~255 DEG C of temperature；
2nd area: 1.5~3.8MPa of pressure, 215~245 DEG C of temperature；
3rd area: 1.0~2.0MPa of pressure, 215~235 DEG C of temperature；
4th area: 0.5~1.3MPa of pressure, 200~220 DEG C of temperature；
5th area: 0.2~1.6MPa of pressure, 165~185 DEG C of temperature.
(8) turnover panel is cooling
For the profiled sheeting that continuous flat press comes out after briar and deburring saw sawing to the size of prescribed requirement, process is cool
After the cooling of grillage turnover panel, the good profiled sheeting fork of stacking is put into semi-finished product warehouse with unpiloted satellite trolley and carries out 48-60
Hour natural Health preservation and equilibrium moisture content.
(9) sanding sawing
Semi-finished product particieboard through cooling stacking is sent to sanding production line and carries out the progress sanding of the processes such as coarse sand-middle sand-fine sand
Sawing afterwards, sand remove surface pre-hardening thickness, the i.e. superpower particieboard of production board that standard size breadth is sawed into according to customer requirement at
Product.
(10) it examines and is packaged
The superpower particieboard of finished product is through selecting trigger to sort, according to the difference of finished appearance, customer requirement and inherent physical and mechanical property,
Artificial detection is sorted into different quality grade plate, while rejecting rejected product.
In conclusion by adopting the above-described technical solution, beneficial effects of the present invention:
1, it on the basis of not changing traditional ordinary particle board technological process of production, is closed by changing shaving shape structure and science
The ratio of the watch core layer wood shavings of reason collocation plate, so that the close even up to joiner of the superpower particieboard product strength produced
Plate or Strength of Plywood are horizontal, have mechanical strength highest in equal densities plate, in same intensity plate density it is minimum thus
The most distinguishing features such as lightweight material saving, and can realize the efficiently production of continuous high-volume, produce the spreader bar day of 30 ten thousand steres per year
Per unit area yield is up to 1200 sides or so.
2, the present invention is useless by Eucalyptus small firewood material, industrial wood waste, leftover bits, the wooden chaff, Chinese herb residues and bagasse etc.
Timber processing comprehensive utilization is abandoned, realizes and makes full use of waste material, has achieved the purpose that save timber, is that one kind saves very much
The manufacturing method of energy environmental protection.
3, due to the easy hybrid manipulation of composite modified resin adhesive, curing time is short, and glue adhesive strength is high, and has
Moisture-proof water-fast function, free formaldehyde is ultralow, is a kind of environmentally protective water-resistant type modified resin, therefore produced according to the present invention
Superpower particieboard, performance reach European " EN300:2006-OSB " standard and " T/CTWPDA03-2017 can facing particieboard " mark
Standard, burst size of methanal≤0.3mg/L are much better than the requirement of national standard " particieboard " GB/T4897- 2015 and " interior decoration dress
Repair burst size of methanal in material wood-based plate and its product " GB18570-2017 requirement, belong to high-end green product.
4, the superpower particieboard produced according to the present invention, product itself structure is uniformly closely knit, and plate face is flat and smooth, has
The advantages that dimensionally stable is indeformable, thickness deviation is small, the most popular core-board of alternative current decoration marked or gluing
Plate, and can directly carry out the facings such as impregnated paper facing, decorative laminate facing, veneer facing, top finishing and PVC facing and add
Work, has widened particieboard in top-grade furniture, floor, wallboard and building at the advantages that greatly improving particieboard mechanical mechanics property
The application in the fields such as panel has extensive so that wood shavings panel products are extended to decorations field from traditional field of furniture
The prospect of popularization and application.
Detailed description of the invention
In order to illustrate more clearly of example or technical solution in the prior art of the invention, below will to embodiment or
Required attached drawing, which is done, in description of the prior art simply introduces, it is clear that the accompanying drawings in the following description is only of the invention one
A little examples under the premise of not paying creativeness, can also obtain according to these attached drawings to those skilled in the art
Obtain other attached drawings.
Process flow chart Fig. 1 of the invention.
Specific embodiment
Below in conjunction with the attached drawing in present example, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of superpower particieboard manufacturing process for changing shaving shape structure, comprises the following steps that:
(1) woodchip
Once chip after the raw materials such as wooden small firewood material, leftover bits, cutting material and particle are matched well in proportion through wood chipping equipment,
Wooden sheet is sent to transitional storehouse after separation, simple screening and is stored, the wooden small firewood material is the harvestings of wood such as eucalyptus pine weedtree
Journey cannot function as the short and small brush wood of wood utilization, and the leftover bits are rotary-cut Eucalyptus or pine or weedtree production glued board
Unavailable sheet of veneer or the waste materials such as bagasse or stalk or Chinese herb residues in the process, the cutting material is the harvesting of wood or rotation
The residue in processing is cut, such as timber butt, edges of boards, the pure material is the wooden chaff etc. generated in timber processing.
(2) flaking
Before flaking, first for the first time the metal object in wooden sheet is absorbed out with magnetic separator, it then will be wooden by spiral conveyer
Material piece is delivered to super large chipper, ring flaker slicing into wood shavings, and wherein the knife amount of stretching of super large chipper is 1.0-1.3mm,
Knife door gap is 2.1-3.5mm, and the knife amount of stretching of ring flaker is 0.8-1.0mm, and knife door gap is 1.5-2.0mm, is then dug
Hua Zaijing magnetic separator carries out second of metal detection absorption, and wood shavings are sent to the storage of wood shavings Transition Materials finally by belt conveyer
It deposits, at this time 30 millimeters of the equal length < of all wood shavings, 3.5 millimeters of width <, 1.0 millimeters of thickness <.
(3) particle drying
The wood shavings come just are dug from wooden sheet and are known as wet wood shavings, and moisture content is 40%~45%, and wet wood shavings are delivered to through transporter
It is dried in roller drier by high-temperature flue gas, the inlet temperature of drying drum is 250-270 DEG C, outlet temperature 130-
150 DEG C, the wood shavings moisture content after drying is 1.0-2.5%.
(4) dry wood shavings screening
Wood shavings after drying are sieved by four layers of screen device, the mesh size of the first layer sieve be 8.0mm ×
40mm, the mesh size of the second layer sieve are 5mm × 5mm, the mesh size of the third layer sieve be 1.0mm ×
2.18mm, the mesh size of the 4th layer of sieve are 0.019mm × 0.019mm；Wood shavings dry first are sieved through first layer sieve,
By first layer sieve screen out come be excessive dry wood shavings, the excessive dry wood shavings for being sized out enter sander by scraper plate and beat
Thin dry wood shavings are worn into, then enter the dry wood shavings in surface layer after winnowing machine is separated off sandstone and a small number of excessive wood shavings not being polished
Standby material storage deposit, then dry wood shavings are sieved through second layer sieve again, and being screened out come by second layer sieve is the dry plane of super large
Flower, the dry wood shavings of the super large for being sized out enter the dry wood shavings feed bin of sandwich layer by Pneumatic conveyer and store, then remaining dry
Wood shavings are sieved through third layer sieve, and being screened out come by third layer sieve is thick dry wood shavings, the thick dry wood shavings warp for being sized out
Winnowing machine is separated off sandstone and the standby material storage after a small number of excessive wood shavings into the dry wood shavings of sandwich layer and deposits, last remaining dry plane
Hua Zaijing the 4th layer of sieve screening, being screened out come by the 4th layer of sieve is thin dry wood shavings, the thin dry wood shavings warp for being sized out
Winnowing machine is separated off the feed bin storage for entering the dry wood shavings in surface layer after sandstone, a small number of super large wood shavings and force plane are spent, final only surplus
Lower fine powder wood shavings, such fine powder wood shavings cannot be used for producing, and can only do waste processing；The screening value of the thin dry wood shavings >=
80%, the dry wood shavings of super large and slightly the screening value of dry wood shavings are >=95%；
(6) it is glued
It sieves the qualified dry wood shavings of super large and thick dry wood shavings is transported through transporter, low speed orientation is sent to after the metering of chip metering feed bin
The sizing of structural particleboard roller glue mixer, the diameter of cylinder of glue mixer is 3300mm, about 7600 mm of drum length, containing 9 atomizations
Device and glue mixing module；Qualified thin dry wood shavings are transported through transporter, are sent to horizontal high-speed glue mixing after the metering of chip metering feed bin
Machine sizing, while individually pumping after environment-protective adhesive required by technique and waterproof agent emulsion are precisely measured by PLC to glue mixing
In machine, wood shavings and glue reach uniform sizing under being sufficiently stirred of different types of glue mixer and mix sufficient effect, this
When wood shavings account for the 83.0%-85.0% of plate dry weight, the environment-protective adhesive on surface layer accounts for the 9.1%-9.9% of plate dry weight, surface layer it is anti-
Aqua accounts for the 0.5%-0.6% of plate dry weight, and the environment-protective adhesive of sandwich layer accounts for the 5.0%-6.0% of plate dry weight, the waterproofing agent of sandwich layer
Account for the 0.4%-0.5% of plate dry weight；
The environment-protective adhesive is composite modified urea-formaldehyde resin adhesive, by E0 grade urea-formaldehyde resin or cyanurotriamide modified urea resin with
Emulsification methyl diphenylene diisocyanate is mixed evenly at normal temperature, matches as E0 grade urea-formaldehyde resin or melamine
The parts by weight of modified urea-formaldehyde resin are 95~97 parts, and the parts by weight of the emulsification methyl diphenylene diisocyanate are 3~5 parts.
(6) paving prefabricating
Surface layer wood shavings and sandwich layer wood shavings after sizing are delivered to mechanical classification diamond roller spreading machine through belt conveyer, by machinery point
Grade spreading machine successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings sequence and spreads out the slab of uniform ground, then
By preformer pre-molding, preformer pressure >=40% when precompressed, surface layer wood shavings account for the 35-45% of shaping slab, surface layer wood shavings
Moisture content is 8-12%, and intermediate core layer wood shavings account for the 55-65% of shaping slab, and the moisture content of intermediate core layer wood shavings is 4-8%.
(7) hot pressing
Enter continuous flat press by way of hot pressing through certain temperature, pressure and time after the weighed qualification of shaping slab
After suppress profiled sheeting, this process is using multistep temperature control gradient heat pressing process, i.e. five field gradient heat pressing process, continuous flat
The hot pressing speed of hot press is 200~450mm/s, and the hot pressing factor is 5.5~9.0s/mm, and thermal medium is conduction oil, continuous flat
The Temperature Distribution of hot press is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 0.2~4.0MPa of pressure, 240~255 DEG C of temperature；
2nd area: 1.7~3.8MPa of pressure, 230~245 DEG C of temperature；
3rd area: 1.0~2.0MPa of pressure, 220~235 DEG C of temperature；
4th area: 0.6~1.2MPa of pressure, 200~220 DEG C of temperature；
5th area: 0.6~1.2MPa of pressure, 170~180 DEG C of temperature.
(8) turnover panel is cooling
For the profiled sheeting that continuous flat press comes out after briar and deburring saw sawing to the size of prescribed requirement, process is cool
After the cooling of grillage turnover panel, the good profiled sheeting fork of stacking is put into semi-finished product storehouse with unpiloted satellite trolley, and to carry out 48-60 small
When natural Health preservation and equilibrium moisture content.
(9) sanding sawing
Semi-finished product particieboard through cooling stacking is sent to sanding production line and carries out the progress sanding of the processes such as coarse sand-middle sand-fine sand
Sawing afterwards, sand remove surface pre-hardening thickness, cut out according to customer requirement be sawn into the i.e. superpower particieboard of production board of standard size breadth at
Product.
(10) it examines and is packaged
The superpower particieboard of finished product is through selecting trigger to sort, according to the difference of finished appearance, customer requirement and inherent physical and mechanical property,
Artificial detection is sorted into different quality grade plate, while rejecting rejected product.
The step of according to embodiment 1 superpower particieboard obtained, press " GB/T17657-2013 wood-based plate and face artificial board
Physicochemical property experimental method " the superpower particieboard of 8 kinds of different-thickness is detected, discovery capability and performance is superior to EN300:
2006 (E) OSB/3 and " T/CTWPDA03-2017 can facing particieboard " standard, testing result are as shown in table 1.
Table 1
Embodiment 2
As shown in Figure 1, a kind of superpower particieboard manufacturing process for changing shaving shape structure, comprises the following steps that:
(1) woodchip
Once chip after the raw materials such as wooden small firewood material, leftover bits, cutting material and particle are matched well in proportion through wood chipping equipment,
Wooden sheet is sent to transitional storehouse after separation, simple screening and is stored, the wooden small firewood material is the harvestings of wood such as eucalyptus pine weedtree
Journey cannot function as the short and small brush wood of wood utilization, and the leftover bits are rotary-cut Eucalyptus or pine or weedtree production glued board
Unavailable sheet of veneer or the waste materials such as bagasse or stalk or Chinese herb residues in the process, the cutting material is the harvesting of wood or rotation
The residue in processing is cut, such as timber butt, edges of boards, the pure material is the wooden chaff etc. generated in timber processing.
(3) flaking
Before flaking, first for the first time the metal object in wooden sheet is absorbed out with magnetic separator, it then will be wooden by spiral conveyer
Material piece is delivered to super large chipper, ring flaker slicing into wood shavings, and wherein the knife amount of stretching of super large chipper is 1.2-1.3mm,
Knife door gap is 3.0-3.5mm, and the knife amount of stretching of ring flaker is 0.8-1.0mm, and knife door gap is 1.5-2.0mm, is then dug
Hua Zaijing magnetic separator carries out second of metal detection absorption, and wood shavings are sent to the storage of wood shavings Transition Materials finally by belt conveyer
It deposits, at this time 30 millimeters of the equal length < of all wood shavings, 3.5 millimeters of width <, 1.0 millimeters of thickness <.
(3) particle drying
The wood shavings come just are dug from wooden sheet and are known as wet wood shavings, and moisture content is 40%~45%, and wet wood shavings are delivered to through transporter
It is dried in roller drier by high-temperature flue gas, the inlet temperature of drying drum is 250-255 DEG C, outlet temperature 130-
135 DEG C, the wood shavings moisture content after drying is 1%-1.5%.
(4) dry wood shavings screening
Wood shavings after drying are sieved by four layers of screen device, the mesh size of the first layer sieve be 8.0mm ×
40mm, the mesh size of the second layer sieve are 5mm × 5mm, the mesh size of the third layer sieve be 1.0mm ×
2.18mm, the mesh size of the 4th layer of sieve are 0.019mm × 0.019mm；Wood shavings dry first are sieved through first layer sieve,
By first layer sieve screen out come be excessive dry wood shavings, the excessive dry wood shavings for being sized out enter sander by scraper plate and beat
Thin dry wood shavings are worn into, then enter the dry wood shavings in surface layer after winnowing machine is separated off sandstone and a small number of excessive wood shavings not being polished
Standby material storage deposit, then dry wood shavings are sieved through second layer sieve again, and being screened out come by second layer sieve is the dry plane of super large
Flower, the dry wood shavings of the super large for being sized out enter the dry wood shavings feed bin of sandwich layer by Pneumatic conveyer and store, then remaining dry
Wood shavings are sieved through third layer sieve, and being screened out come by third layer sieve is thick dry wood shavings, the thick dry wood shavings warp for being sized out
Winnowing machine is separated off sandstone and the standby material storage after a small number of excessive wood shavings into the dry wood shavings of sandwich layer and deposits, last remaining dry plane
Hua Zaijing the 4th layer of sieve screening, being screened out come by the 4th layer of sieve is thin dry wood shavings, the thin dry wood shavings warp for being sized out
Winnowing machine is separated off the feed bin storage for entering the dry wood shavings in surface layer after sandstone, a small number of super large wood shavings and force plane are spent, final only surplus
Lower fine powder wood shavings, such fine powder wood shavings cannot be used for producing, and can only do waste processing；The screening value of the thin dry wood shavings >=
85%, the dry wood shavings of super large and slightly the screening value of dry wood shavings are >=92%.
(7) it is glued
It sieves the qualified dry wood shavings of super large and thick dry wood shavings is transported through transporter, low speed orientation is sent to after the metering of chip metering feed bin
The sizing of structural particleboard roller glue mixer, the diameter of cylinder of glue mixer is 3300mm, about 7600 mm of drum length, containing 9 atomizations
Device and glue mixing module；Qualified thin dry wood shavings are transported through transporter, are sent to horizontal high-speed glue mixing after the metering of chip metering feed bin
Machine sizing, while individually pumping after environment-protective adhesive required by technique and waterproof agent emulsion are precisely measured by PLC to glue mixing
In machine, wood shavings and glue reach uniform sizing under being sufficiently stirred of different types of glue mixer and mix sufficient effect, this
When wood shavings account for the 85.0%-88.0% of plate dry weight, the environment-protective adhesive on surface layer accounts for the 7.3%-9.1% of plate dry weight, surface layer it is anti-
Aqua accounts for the 0.4%-0.5% of plate dry weight, and the environment-protective adhesive of sandwich layer accounts for the 4.0%-5.0% of plate dry weight, the waterproofing agent of sandwich layer
Account for the 0.3%-0.4% of plate dry weight；
The environment-protective adhesive is composite modified urea-formaldehyde resin adhesive, by E0 grade urea-formaldehyde resin or cyanurotriamide modified urea resin with
Emulsification methyl diphenylene diisocyanate is mixed evenly at normal temperature, matches as E0 grade urea-formaldehyde resin or melamine
The parts by weight of modified urea-formaldehyde resin are 92~94 parts, and the parts by weight of the emulsification methyl diphenylene diisocyanate are 6~8 parts.
(6) paving prefabricating
Surface layer wood shavings and sandwich layer wood shavings after sizing are delivered to mechanical classification diamond roller spreading machine through belt conveyer, by machinery point
Grade spreading machine successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings sequence and spreads out the slab of uniform ground, then
By preformer pre-molding, preformer pressure >=50% when precompressed, surface layer wood shavings account for the 35%-40% of shaping slab, surface layer wood shavings
Moisture content is 10%-12%, and intermediate core layer wood shavings account for the 60%-65% of shaping slab, and the moisture content of intermediate core layer wood shavings is 6-8%.
(7) hot pressing
Enter continuous flat press by way of hot pressing through certain temperature, pressure and time after the weighed qualification of shaping slab
After suppress profiled sheeting, this process is using multistep temperature control gradient heat pressing process, i.e. five field gradient heat pressing process, continuous flat
The hot pressing speed of hot press is 280~300mm/s, and the hot pressing factor is 7.5~8s/mm, and thermal medium is conduction oil, continuous flat heat
The Temperature Distribution of press is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 0.4~3.5MPa of pressure, 235~240 DEG C of temperature；
2nd area: 1.6~3.5MPa of pressure, 225~230 DEG C of temperature；
3rd area: 1.3~1.68MPa of pressure, 215~220 DEG C of temperature；
4th area: 0.7~1.3MPa of pressure, 200~210 DEG C of temperature；
5th area: 0.3~1.6MPa of pressure, 165~170 DEG C of temperature.
(8) turnover panel is cooling
For the profiled sheeting that continuous flat press comes out after briar and deburring saw sawing to the size of prescribed requirement, process is cool
After the cooling of grillage turnover panel, the good profiled sheeting fork of stacking is put into semi-finished product warehouse with unpiloted satellite trolley and carries out 48-60
Hour natural Health preservation and equilibrium moisture content.
(9) sanding sawing
Semi-finished product particieboard through cooling stacking is sent to sanding production line and carries out the progress sanding of the processes such as coarse sand-middle sand-fine sand
Sawing afterwards, sand remove surface pre-hardening thickness, cut out according to customer requirement be sawn into the i.e. superpower particieboard of production board of standard size breadth at
Product.
(10) it examines and is packaged
The superpower particieboard of finished product is through selecting trigger to sort, according to the difference of finished appearance, customer requirement and inherent physical and mechanical property,
Artificial detection is sorted into different quality grade plate, while rejecting rejected product.
The step of according to embodiment 2 superpower particieboard obtained, press " GB/T17657-2013 wood-based plate and face artificial board
Physicochemical property experimental method " the superpower particieboard of 8 kinds of different-thickness is detected, discovery capability and performance is superior to EN300:
2006 (E) OSB/3 and " T/CTWPDA03-2017 can facing particieboard " standard, testing result are as shown in table 2.
Table 2
Embodiment 3
As shown in Figure 1, a kind of superpower particieboard manufacturing process for changing shaving shape structure, comprises the following steps that:
(1) woodchip
Once chip after the raw materials such as wooden small firewood material, leftover bits, cutting material and particle are matched well in proportion through wood chipping equipment,
Wooden sheet is sent to transitional storehouse after separation, simple screening and is stored, the wooden small firewood material is the harvestings of wood such as eucalyptus pine weedtree
Journey cannot function as the short and small brush wood of wood utilization, and the leftover bits are rotary-cut Eucalyptus or pine or weedtree production glued board
Unavailable sheet of veneer or the waste materials such as bagasse or stalk or Chinese herb residues in the process, the cutting material is the harvesting of wood or rotation
The residue in processing is cut, such as timber butt, edges of boards, the pure material is the wooden chaff etc. generated in timber processing.
(2) flaking
Before flaking, first the metal object in the resulting wooden sheet of step 1 is separated for the first time with magnetic separator, then passes through spiral
Wooden sheet is delivered to super large chipper, ring flaker slicing into wood shavings by transporter, and wherein the knife amount of stretching of super large chipper is
1.1-1.2mm, knife door gap are 3.0-3.5mm, and the knife amount of stretching of ring flaker is 0.8-1.0mm, and knife door gap is 1.5-
2.0mm, then wood shavings carry out second of metal detection absorption through magnetic separator again, and wood shavings are sent to plane finally by belt conveyer
Flower transition feed bin stores, at this time 30 millimeters of the equal length < of all wood shavings, 3.5 millimeters of width <, 1.0 millimeters of thickness <.
(3) particle drying
The wood shavings come just are dug from wooden sheet and are known as wet wood shavings, and moisture content is 50%~65%, and wet wood shavings are delivered to through transporter
It is dried in roller drier by high-temperature flue gas, the inlet temperature of drying drum is 265-270 DEG C, outlet temperature 145-
155 DEG C, the wood shavings moisture content after drying is 2-2.5%.
(4) dry wood shavings screening
Wood shavings after drying are sieved by four layers of screen device, the mesh size of the first layer sieve be 8.0mm ×
40mm, the mesh size of the second layer sieve are 5mm × 5mm, the mesh size of the third layer sieve be 1.0mm ×
2.18mm, the mesh size of the 4th layer of sieve are 0.019mm × 0.019mm；Wood shavings dry first are sieved through first layer sieve,
By first layer sieve screen out come be excessive dry wood shavings, the excessive dry wood shavings for being sized out enter sander by scraper plate and beat
Thin dry wood shavings are worn into, then enter the dry wood shavings in surface layer after winnowing machine is separated off sandstone and a small number of excessive wood shavings not being polished
Standby material storage deposit, then dry wood shavings are sieved through second layer sieve again, and being screened out come by second layer sieve is the dry plane of super large
Flower, the dry wood shavings of the super large for being sized out enter the dry wood shavings feed bin of sandwich layer by Pneumatic conveyer and store, then remaining dry
Wood shavings are sieved through third layer sieve, and being screened out come by third layer sieve is thick dry wood shavings, the thick dry wood shavings warp for being sized out
Winnowing machine is separated off sandstone and the standby material storage after a small number of excessive wood shavings into the dry wood shavings of sandwich layer and deposits, last remaining dry plane
Hua Zaijing the 4th layer of sieve screening, being screened out come by the 4th layer of sieve is thin dry wood shavings, the thin dry wood shavings warp for being sized out
Winnowing machine is separated off the feed bin storage for entering the dry wood shavings in surface layer after sandstone, a small number of super large wood shavings and force plane are spent, final only surplus
Lower fine powder wood shavings, such fine powder wood shavings cannot be used for producing, and can only do waste processing；The screening value of the thin dry wood shavings >=
75%, the dry wood shavings of super large and slightly the screening value of dry wood shavings are >=90%；
(8) it is glued
It sieves the qualified dry wood shavings of super large and thick dry wood shavings is transported through transporter, low speed orientation is sent to after the metering of chip metering feed bin
The sizing of structural particleboard roller glue mixer, the diameter of cylinder of glue mixer is 3300mm, about 7600 mm of drum length, containing 9 atomizations
Device and glue mixing module；Qualified thin dry wood shavings are transported through transporter, are sent to horizontal high-speed glue mixing after the metering of chip metering feed bin
Machine sizing, while individually pumping after environment-protective adhesive required by technique and waterproof agent emulsion are precisely measured by PLC to glue mixing
In machine, wood shavings and glue reach uniform sizing under being sufficiently stirred of different types of glue mixer and mix sufficient effect, this
When wood shavings account for the 88.0%-90.5% of plate dry weight, the environment-protective adhesive on surface layer accounts for the 6.0%-7.3% of plate dry weight, surface layer it is anti-
Aqua accounts for the 0.3%-0.4% of plate dry weight, and the environment-protective adhesive of sandwich layer accounts for the 3.0%-4.0% of plate dry weight, the waterproofing agent of sandwich layer
Account for the 0.2%-0.3% of plate dry weight；
The environment-protective adhesive is composite modified urea-formaldehyde resin adhesive, by E0 grade urea-formaldehyde resin or cyanurotriamide modified urea resin with
Emulsification methyl diphenylene diisocyanate is mixed evenly at normal temperature, matches as E0 grade urea-formaldehyde resin or melamine
The parts by weight of modified urea-formaldehyde resin are 96~99 parts, and the parts by weight of the emulsification methyl diphenylene diisocyanate are 1~4 part.
(6) paving prefabricating
Surface layer wood shavings, sandwich layer wood shavings after sizing are delivered to mechanical classification diamond roller spreading machine through belt conveyer, by machinery point
Grade spreading machine successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings sequence and spreads out the slab of uniform ground, then
By preformer pre-molding, preformer pressure >=45% when precompressed, surface layer wood shavings account for the 30%-35% of shaping slab, surface layer wood shavings
Moisture content is 8%-10%, and intermediate core layer wood shavings account for the 65%-70% of shaping slab, and the moisture content of intermediate core layer wood shavings is 4-6%.
(7) hot pressing
Shaping slab it is weighed it is qualified after enter it is timely through certain temperature, pressure by way of hot pressing after continuous flat press
Between after suppress profiled sheeting, this process is continuous flat using multistep temperature control gradient heat pressing process, i.e. five field gradient heat pressing process
The hot pressing speed for pressing hot press is 320~350mm/s, and the hot pressing factor is 7.5~9.0s/mm, and thermal medium is conduction oil, continuous flat
The Temperature Distribution of pressure hot press is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 1.4~3.8MPa of pressure, 225~230 DEG C of temperature；
2nd area: 1.5~3.5MPa of pressure, 215~220 DEG C of temperature；
3rd area: 1.2~1.5MPa of pressure, 215~220 DEG C of temperature；
4th area: 0.5~1.1MPa of pressure, 200~205 DEG C of temperature；
5th area: 0.2~0.8MPa of pressure, 175~185 DEG C of temperature.
(8) turnover panel is cooling
The profiled sheeting that continuous flat press comes out is cut out after cutting the size of prescribed requirement by briar and deburring saw, and process is cool
After the cooling of grillage turnover panel, the good profiled sheeting fork of stacking is put into semi-finished product warehouse with unpiloted satellite trolley and carries out 48-60
Hour natural Health preservation and equilibrium moisture content.
(9) sanding sawing
Semi-finished product particieboard through cooling stacking is sent to sanding production line and carries out the progress sanding of the processes such as coarse sand-middle sand-fine sand
Sawing afterwards, sand remove surface pre-hardening thickness, cut out according to customer requirement be sawn into the i.e. superpower particieboard of production board of standard size breadth at
Product.
(10) it examines and is packaged
The superpower particieboard of finished product is through selecting trigger to sort, according to the difference of finished appearance, customer requirement and inherent physical and mechanical property,
Artificial detection is sorted into different quality grade plate, while rejecting rejected product.
The step of according to embodiment 3 superpower particieboard obtained, press " GB/T17657-2013 wood-based plate and face artificial board
Physicochemical property experimental method " the superpower particieboard of 8 kinds of different-thickness is detected, discovery capability and performance is superior to EN300:
2006 (E) OSB/3 and " T/CTWPDA03-2017 can facing particieboard " standard, testing result are as shown in table 3.
Table 3
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of superpower particieboard manufacturing process for changing shaving shape structure, comprises the following steps that, woodchip, plane
Piece, particle drying, the screening of dry wood shavings, sizing, paving prefabricating, hot pressing, turnover panel cooling, sanding sawing, it is characterised in that: the plane
Piece refers to through super large chipper and ring flaker that by wooden sheet plane, the super large chipper digs wooden sheet at mistake at wood shavings
Big wood shavings, super large wood shavings and force plane flower, the ring flaker dig wooden sheet at force plane flower and wood wool, the super large wood shavings
The sandwich layer of production particieboard is used to force plane flower, the wood wool is used to make the surface layer of particieboard；
The dry wood shavings screening refer to after particle drying by four layers of screen device respectively by excessive dry wood shavings, the dry wood shavings of super large,
Thick dry wood shavings, thin dry wood shavings screen out and, and the first layer sieve, which is responsible for screening out excessive dry wood shavings, to be come, the second layer sieve
Net is responsible for screening out the dry wood shavings of super large to come, and the third layer sieve is responsible for screening out by thick dry wood shavings, the 4th layer of sieve
Net is responsible for screening out by thin dry wood shavings, and the excessive dry wood shavings enter sander by scraper plate after being sized out and are polished into carefully
Dry wood shavings, then the standby material storage after winnowing machine selection by winnowing into the dry wood shavings in surface layer is deposited, and the dry wood shavings of super large are sized out
Come after by Pneumatic conveyer enter the dry wood shavings of sandwich layer feed bin storage, it is described slightly dry wood shavings be sized out after through winnowing machine
Standby material storage after selection by winnowing into the dry wood shavings of sandwich layer is deposited, and the thin dry wood shavings enter after winnowing machine selection by winnowing out after being sized
The feed bin of the dry wood shavings in surface layer stores；
The sizing, which refers to, continuously and uniformly applies environmentally friendly gluing to thin dry wood shavings i.e. surface layer wood shavings using horizontal high-speed glue mixer
Agent and waterproof agent emulsion, using low speed oriented structure chipboard roller glue mixer continuously and uniformly to the dry wood shavings of super large and thick dry plane
Flower is that sandwich layer wood shavings apply environment-protective adhesive, waterproof agent emulsion；
The hot pressing is using multistep temperature control gradient heat pressing process.
2. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The knife amount of stretching of the super large chipper is 1.0-1.3mm, and knife door gap is 2.1-3.5mm, and the ring flaker stretches knife amount
For 0.8-1.0mm, knife door gap is 1.5-2.0mm.
3. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The mesh size of sieve described in first layer is 8.0mm × 40mm, and the mesh size of sieve described in the second layer is 5mm × 5mm, third
The mesh size of the layer sieve is 1.0mm × 2.18mm, the mesh size of the 4th layer of sieve be 0.019mm ×
0.019mm。
4. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
Moisture content before the particle drying is 40%~65%, and the moisture content after drying is 1%~2.5%, and dried medium is high-temperature flue gas.
5. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The screening value of screening value >=75% of the thin dry wood shavings, the dry wood shavings of super large and thick dry wood shavings is >=90%.
6. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The diameter of cylinder of the low speed oriented structure chipboard roller glue mixer is 3300mm, and drum length is 7600 mm, contains 9
Atomizer and glue mixing module.
7. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The environment-protective adhesive is composite modified urea-formaldehyde resin adhesive, by E0 grade urea-formaldehyde resin or cyanurotriamide modified urea resin and emulsification
Methyl diphenylene diisocyanate is mixed evenly at normal temperature, wherein the E0 grade urea-formaldehyde resin or melamine change
Property Lauxite parts by weight be 90~99 parts, it is described emulsification methyl diphenylene diisocyanate parts by weight be 1~10 part.
8. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
After the sizing of dry wood shavings, wood shavings account for the 83.0%~90.5% of plate dry weight, the environment-protective adhesive on surface layer account for plate dry weight 6.0%~
9.9%, the waterproofing agent on surface layer accounts for the 0.3%~0.6% of plate dry weight；The environment-protective adhesive of sandwich layer accounts for plate dry weight 3.0%~6.0%,
The waterproofing agent of sandwich layer accounts for the 0.2%~0.5% of plate dry weight.
9. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, it is characterised in that:
The paving prefabricating is that the surface layer wood shavings and sandwich layer wood shavings after sizing are delivered to mechanical classification diamond roller through belt conveyer and mat formation
Machine successively presses surface layer wood shavings → intermediate core layer wood shavings → upper epidermis wood shavings sequence by mechanical classification spreading machine and spreads out uniform put down
Whole slab, then by preformer pre-molding, preformer pressure >=40% when precompressed, surface layer wood shavings account for the 30- of shaping slab
45%, surface layer wood shavings moisture content is 8-12%, and intermediate core layer wood shavings account for the 55-70% of shaping slab, the moisture content of intermediate core layer wood shavings
For 4-8%.
10. a kind of superpower particieboard manufacturing process for changing shaving shape structure according to claim 1, feature exist
In: the multistep temperature control gradient heat pressing process is five field gradient heat pressing process, and the hot pressing is carried out using continuous flat press,
Hot pressing speed is 200~450mm/s, and the hot pressing factor is 5.5~9.0s/mm, and thermal medium is conduction oil, continuous flat press
Temperature Distribution is divided into 5th area from high to low, and the pressure and temperature parameter in 5th area are as follows:
One area: 0.2~4.0MPa of pressure, 225~255 DEG C of temperature；
2nd area: 1.5~3.8MPa of pressure, 215~245 DEG C of temperature；
3rd area: 1.0~2.0MPa of pressure, 215~235 DEG C of temperature；
4th area: 0.5~1.3MPa of pressure, 200~220 DEG C of temperature；
5th area: 0.2~1.6MPa of pressure, 165~185 DEG C of temperature.
Priority Applications (1)
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| CN110394873A (en) * | 2019-05-20 | 2019-11-01 | 商丘市鼎丰木业股份有限公司 | A kind of formaldehydeless novel environment friendly plate preparation method of biology base lignin glue |
| CN110480784A (en) * | 2019-08-11 | 2019-11-22 | 广东始兴县华洲木业有限公司 | A kind of preparation process of zero formaldehyde log particle board |
| CN110682393A (en) * | 2019-12-12 | 2020-01-14 | 临沂兴滕人造板机械有限公司 | Production process of super-strength shaving board |
| CN111645164A (en) * | 2020-05-29 | 2020-09-11 | 江苏慧典新材有限公司 | Novel wood shaving accumulated material for house beam and manufacturing process thereof |
| CN111805677A (en) * | 2020-07-24 | 2020-10-23 | 寿光市鲁丽木业股份有限公司 | Preparation process of flame-retardant shaving board |
| CN112045818A (en) * | 2020-09-09 | 2020-12-08 | 江苏美林堡木业有限公司 | Oriented strand board with low formaldehyde emission and production process thereof |
| CN112092136A (en) * | 2020-09-18 | 2020-12-18 | 丰林亚创（惠州）人造板有限公司 | Low-odor environment-friendly shaving board and preparation process thereof |
| CN112207939A (en) * | 2020-10-19 | 2021-01-12 | 河南佳诺威木业有限公司 | Processing technology of low-formaldehyde super-strong shaving board |
| CN113119267A (en) * | 2021-03-22 | 2021-07-16 | 广西丰林木业集团股份有限公司 | Environment-friendly homogeneous super-strong shaving board and preparation method thereof |
| CN113319962A (en) * | 2021-06-17 | 2021-08-31 | 河南佳诺威木业有限公司 | Control process for preventing large shaving damage of PB plate |
| CN113601631A (en) * | 2021-08-17 | 2021-11-05 | 山东鹤洋木业有限公司 | Shaving board capable of being engraved and milled and preparation method thereof |
| CN113601662A (en) * | 2021-08-17 | 2021-11-05 | 山东鹤洋木业有限公司 | High-gloss particle type shaving board and preparation method thereof |
| CN113815084A (en) * | 2021-09-26 | 2021-12-21 | 佳诺威集团股份有限公司 | Raw material treatment method based on moxa board production |
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| CN110394873A (en) * | 2019-05-20 | 2019-11-01 | 商丘市鼎丰木业股份有限公司 | A kind of formaldehydeless novel environment friendly plate preparation method of biology base lignin glue |
| CN110480784A (en) * | 2019-08-11 | 2019-11-22 | 广东始兴县华洲木业有限公司 | A kind of preparation process of zero formaldehyde log particle board |
| CN110682393A (en) * | 2019-12-12 | 2020-01-14 | 临沂兴滕人造板机械有限公司 | Production process of super-strength shaving board |
| CN111645164A (en) * | 2020-05-29 | 2020-09-11 | 江苏慧典新材有限公司 | Novel wood shaving accumulated material for house beam and manufacturing process thereof |
| CN111805677A (en) * | 2020-07-24 | 2020-10-23 | 寿光市鲁丽木业股份有限公司 | Preparation process of flame-retardant shaving board |
| CN112045818A (en) * | 2020-09-09 | 2020-12-08 | 江苏美林堡木业有限公司 | Oriented strand board with low formaldehyde emission and production process thereof |
| CN112092136A (en) * | 2020-09-18 | 2020-12-18 | 丰林亚创（惠州）人造板有限公司 | Low-odor environment-friendly shaving board and preparation process thereof |
| CN112207939A (en) * | 2020-10-19 | 2021-01-12 | 河南佳诺威木业有限公司 | Processing technology of low-formaldehyde super-strong shaving board |
| CN113119267A (en) * | 2021-03-22 | 2021-07-16 | 广西丰林木业集团股份有限公司 | Environment-friendly homogeneous super-strong shaving board and preparation method thereof |
| CN113319962A (en) * | 2021-06-17 | 2021-08-31 | 河南佳诺威木业有限公司 | Control process for preventing large shaving damage of PB plate |
| CN113601631A (en) * | 2021-08-17 | 2021-11-05 | 山东鹤洋木业有限公司 | Shaving board capable of being engraved and milled and preparation method thereof |
| CN113601662A (en) * | 2021-08-17 | 2021-11-05 | 山东鹤洋木业有限公司 | High-gloss particle type shaving board and preparation method thereof |
| CN113815084A (en) * | 2021-09-26 | 2021-12-21 | 佳诺威集团股份有限公司 | Raw material treatment method based on moxa board production |
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Application publication date: 20190416 |