CN110091409A - A kind of low-density can facing oriented wood chipboard - Google Patents
A kind of low-density can facing oriented wood chipboard Download PDFInfo
- Publication number
- CN110091409A CN110091409A CN201910489118.8A CN201910489118A CN110091409A CN 110091409 A CN110091409 A CN 110091409A CN 201910489118 A CN201910489118 A CN 201910489118A CN 110091409 A CN110091409 A CN 110091409A
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- Prior art keywords
- wood
- surface layer
- low
- density
- wood shavings
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Classifications
-
- 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
- B27N3/002—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
- B27N3/02—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
- 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
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
Abstract
It can facing oriented wood chipboard the present invention relates to a kind of low-density, low-density can facing oriented wood chipboard include sandwich layer, secondary surface layer and surface layer, core layer raw material selects poplar small dimension wood, the larger wood shavings (50~80mm of wood shavings length) that brush wood is produced through knife shaft flaker and two workshop section's chippers, secondary top layer raw material selects the big wood shavings (80~120mm of wood shavings length) of above equipment production, top layer raw material selects glued board, core-board, the leftover pieces generated in particieboard production process, sawdust, wood shavings, above-mentioned raw materials are through drying, screening, sizing, mat formation, precompressed, edging, steam and continuous hot-press after low-density is made can facing oriented wood chipboard, this can facing oriented wood chipboard density≤520kg/m3, the static bending strength of parallel direction can reach 22~38MPa, and elasticity modulus can reach 3200~4500MPa, this products application is not limited only to the use scope of common OSB, more can be widely applied to the direct veneer of furniture, interior decoration, packaging, floor base material.
Description
Technical field
The present invention relates to a kind of low-density can facing oriented wood chipboard, be particularly suitable for and table relatively light to product density requirement
The smooth sophistication in face require it is relatively high can facing oriented wood chipboard, belong to particieboard technical field.
Background technique
It is formally sent out a few days ago by leading " can the facing oriented wood chipboard " group norms of China's timber and woodwork circulation association
Cloth, and the formal implementation on 2 1st, 2018.Should " can facing oriented wood chipboard " group norms formulation and publication, can fill up
China can facing oriented wood chipboard manufacture the blank of standard, while the specification board items physical and chemical index, it is right
The cognition of the product, protection company interest, pushes industry value chain etc. with important meaning at the performance for improving product
Justice.
Can facing oriented wood chipboard be the board of Chinese plate in the market, performance is stablized, can direct secondary facing,
It is not only environmentally friendly, oriented wood chipboard and ordinary particle board items advantage are had both, while so that properties is obtained optimization, more suits house
Occupy market actual needs.
" can facing oriented wood chipboard " group norms are formal on 2 1st, 2018 to be implemented, current market sales of main
It is the plate using pine as raw material, the panel density produced with this tree species is relatively high, generally 610~700kg/cm3, plate face face
Color is deep and easy generation it is blue cash as.Pine encourages the fast-growing planted since the production cycle is long, price is high and is not belonging to country
Material, plate production cost are relatively high.In addition, the enterprise produced at present is usually to select the production of sieve ring type sander can facing orientation
The surface layer of particieboard is expected, is mated formation and is selected mechanical or mechanical plus Solution on Air Forming Equipment, and the product surface fines of production is similar to common planning
There is biggish gap on the surface of the surface of card, product surface and fiberboard.
Summary of the invention
Deficiency regarding to the issue above, the present invention provides a kind of low-density can facing oriented wood chipboard.First to original
In terms of the selection of material, select the lower poplar small dimension wood of density and brush wood as raw material；Secondly in the processing side to wood shavings
Face, using advanced pulsed gas flow crusher, fines obtained is in threadiness.Finally, in terms of paving prefabricating, using five
Spreading machine is mated formation, and the slab surface layer fines accounting amount spread out is few, and wood shavings downward penetration phenomenon in surface layer is few.Manufactured product is close
Degree≤520kg/cm3, static bending strength can reach 22~38MPa, and elasticity modulus can reach 3200~4800MPa；Product size is steady
It is qualitative good, thickness swelling rate low compared with same size particieboard and medium density fibre board (MDF) 20%.
In order to solve the above technical problems, the present invention provides the following technical solutions:
The present invention provide a kind of low-density can facing oriented wood chipboard, including sandwich layer, secondary surface layer and surface layer, the sandwich layer plane
Transversely arranged, secondary surface layer wood shavings longitudinal arrangement is spent, is OSB three-decker；
As a preferred technical solution of the present invention, density≤520kg/m of the oriented wood chipboard3, parallel direction
Static bending strength can reach 22~38MPa, elasticity modulus can reach 3200~4500MPa；
A kind of low-density can facing oriented wood chipboard, preparation process mainly comprises the steps that
(1) prepared by wood shavings
(2) particle drying
(3) wood shavings screen selection by winnowing
(4) glue compounding and applying
(5) paving prefabricating
(6) hot pressing
As a preferred technical solution of the present invention, wood shavings surface layer, secondary surface layer, sandwich layer raw material select density smaller
Low poplar small dimension wood, brush wood and neighbouring glued board, core-board, the poplar matter corner generated in Particleboard Factory production process
Material, sawdust, wood shavings.
Further, using the wet tail vapour cycle seasoning of drum-type, the method has the advantages that wood shavings shrinking percentage is low；
Wood shavings screening selection by winnowing includes: that the wood shavings after drying are sieved into three kinds of surface layer, secondary surface layer and sandwich layer materials, table through riddle
Layer material enters fibrous wood wool after pulsed gas flow crusher tears wood shavings after super sifter.
Sizing adhesive is the MDI glue without formaldehyde, and center core layer additionally adds rapid curing glue, surface layer is additionally added
The dedicated tackifier of MDI glue, sandwich layer resin added are 4~5%, and secondary surface layer resin added is 5~6%；
Further, mated formation after surface layer, secondary surface layer, sandwich layer material are glued respectively by five spreading heads, wherein
Sandwich layer is laterally mated formation, and upper surface layer next time is that longitudinal direction is mated formation, and upper layer is airflow pavement, obtains the continuous slab of five-layer structure；
The hot pressing includes: to connect the continuous slab after edging using the 9th generation intelligence of Xin Bei Er Kangpu group production
Continuous formula hot press hot pressing, press length are 38.7m, and hot pressing temperature is followed successively by 230~245 DEG C, 220~230 DEG C, 210~220
DEG C, 200~210 DEG C, 170~180 DEG C, hot pressing 6~7.5s/mm of the factor, pressure be followed successively by 1.0~1.4MPa, 0.7~
1.2MPa, 0.6~0.8MPa, 0.1~0.3MPa, 0.7~1.0MPa, point five regions carry out hot pressing, press frame arrangement
5 oil cylinders, each oil cylinder working-pressure are independently adjustable, it is ensured that product density deviation, thickness deviation are relatively small.
The invention adopts the above technical scheme, compared with prior art, has the advantages that 1. particieboard density is small,
Density≤520kg/m3, the static bending strength of parallel direction can reach 22~38MPa, and elasticity modulus can reach 3200~
4500MPa is more than the particieboard and 15% or more medium density fibre board (MDF) of same size；2. using single channel wet flue gas to recycle
Roller drying, using after drying low temperature wet flue gas and the high warm flue gas that comes of energy plant be mixed into 550 DEG C containing hydro-thermal
Wood shavings are dried in flue gas, greatly reduce contraction and the percentage of damage of wood shavings；3. passing through five pavings using the material after sizing
Installation is mated formation, and the slab surface layer fines accounting amount spread out is few, and wood shavings downward penetration phenomenon in surface layer is few；4. surface of chipboard is thick
Rugosity is smooth to the touch less than 0.6 μm；5. processing performance is good, it can be used for veneer overlay, facing paper veneer, the directly surfaces such as japanning
Processing is used particularly suitable for furniture and interior decoration.
Specific embodiment
Embodiment 1
A kind of low-density can facing oriented wood chipboard, including sandwich layer, secondary surface layer and surface layer, the sandwich layer wood shavings laterally arrange
Column, secondary surface layer wood shavings longitudinal arrangement are OSB three-decker；
The preparation process the following steps are included:
(1) preparation of wood shavings
Top layer raw material selects glued board, core-board, leftover pieces, sawdust, the wood shavings generated in particieboard production process；It adopts
The above raw material is broken into threadiness with the most newly developed pulsed gas flow crusher of German Xin Bei Er Kangpu group；Secondary surface layer,
Core layer raw material select Fast growth poplar fell generate small dimension wood and brush wood, small dimension wood after peeling by knife shaft flaker slicing at
The wood shavings of long 120mm, wide 25~50mm, thickness 0.6mm or so, brush wood pass through two workshop section's drum chippers, jack plane after peeling
Spend the wood shavings of 80~120mm of dedicated ring flaker slicing growth, wide 15~40mm, thickness 0.6mm or so.
(2) particle drying
Particle drying is using single channel wet flue gas circulation roller drier and wet electrostatic precipitation system
(3) wood shavings screen selection by winnowing
Material after drying is divided into three kinds of big wood shavings, small wood shavings, wood wool materials after riddle sieves, and big wood shavings enter secondary
The rectangular feed bin in surface layer；Small wood shavings enter the rectangular feed bin of sandwich layer；For small wood shavings after super sifter sieves, it is rectangular that larger wood shavings enter sandwich layer
Feed bin, tiny wood shavings enter fibrous surface layer material after the tearing of pulsed gas flow crusher, then go through gravity winnowing machine selection by winnowing
Except impurity such as sandstone, metal, dust, qualified wood wool enters surface layer circle feed bin
(4) glue compounding and applying
Sizing adhesive is the MDI glue without formaldehyde, and center core layer additionally adds rapid curing glue, surface layer is additionally added
The dedicated tackifier of MDI glue, sandwich layer resin added are 4~5%, and secondary surface layer resin added is 5~6%；
(5) paving prefabricating
Paving prefabricating mainly includes two surface layer air-flow paving machines, two surface layer oriented wood chipboard spreading machines, a sandwich layers
Oriented wood chipboard spreading machine, two preformers and a platen base continuous preheater, equipment is all by German Xin Bei Er Kangpu group
It provides.
Material after sizing is mated formation by five spreading machines, and layer material is mated formation by layer Solution on Air Forming Equipment
It obtains then spreading through three oriented wood chipboards with the layer slab band of certain just intensity by a light-duty preformer precompressed
Installation is successively laid with next surface layer longitudinal direction wood shavings, sandwich layer transverse direction wood shavings, last time surface layer longitudinal direction wood shavings, passes through again after having spread this four layered material
Slab continuous preheater, preformer carry out ironing precompressed, so that wood shavings are smooth and have certain first intensity, most afterwards after edging
Re-lay surface layer fines.
(6) hot pressing
By the continuous slab after edging using the 9th generation intelligence continous way hot press heat of Xin Bei Er Kangpu group production
Pressure, press length are 38.7m, and hot pressing temperature is followed successively by 230~245 DEG C, 220~230 DEG C, 210~220 DEG C, 200~210
DEG C, 170~180 DEG C, hot pressing 6~7.5s/mm of the factor, pressure be followed successively by 1.0~1.4MPa, 0.7~1.2MPa, 0.6~
0.8MPa, 0.1~0.3MPa, 0.7~1.0MPa, point five regions progress hot pressing, press 5 oil cylinders of each frame arrangement, often
A oil cylinder working-pressure is independently adjustable, ensure that product density deviation, thickness deviation are relatively small.
Low-density manufactured in the present embodiment can facing oriented wood chipboard according to " GB/T17657-2013 wood-based plate and facing
Wood-based plate physicochemical property test method " standard detected, test results in the following table:
Table 1: heavy-load type can facing oriented wood chipboard (B4 type) Testing index under dampness
Protection scope of the present invention is based on the contents of the claims, those skilled in the art, in this hair
The variations, modifications, additions or substitutions made in bright essential scope, also should belong to protection scope of the present invention.
Claims (9)
1. a kind of low-density can facing oriented wood chipboard, including sandwich layer, secondary surface layer and surface layer, the sandwich layer wood shavings are transversely arranged,
Secondary surface layer wood shavings longitudinal arrangement is OSB three-decker.
2. a kind of low-density according to claim 1 can facing oriented wood chipboard, it is characterised in that: the oriented wood chipboard
Density≤520kg/m3, the static bending strength of parallel direction can reach 22~38MPa, and elasticity modulus can reach 3200~
4500MPa。
3. a kind of low-density according to claim 1 can facing oriented wood chipboard, it is characterised in that: the preparation process master
Want the following steps are included:
(1) prepared by wood shavings
(2) particle drying
(3) wood shavings screen selection by winnowing
(4) glue compounding and applying
(5) paving prefabricating
(6) hot pressing.
4. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: the wood shavings surface layer,
Secondary surface layer, sandwich layer raw material select the smaller low poplar small dimension wood of density, brush wood and neighbouring glued board, core-board, plane
Poplar matter leftover pieces, the sawdust, wood shavings generated in card factory production process.
5. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: use the wet tail of drum-type
Vapour cycle seasoning, the method have the advantages that wood shavings shrinking percentage is low.
6. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: the wood shavings screen wind
Choosing includes: that the wood shavings after drying are sieved into three kinds of surface layer, secondary surface layer and sandwich layer materials through riddle, and surface layer material is laggard through super sifter
Enter fibrous wood wool after pulsed gas flow crusher tears wood shavings.
7. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: sizing is with adhesive
MDI glue without formaldehyde, center core layer additionally add rapid curing glue, surface layer and additionally add the dedicated tackifier of MDI glue, and sandwich layer is applied
Glue amount is 4~5%, and secondary surface layer resin added is 5~6%.
8. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: surface layer, secondary surface layer, core
Layer material is mated formation after being glued respectively by five spreading heads, and center core layer is laterally mated formation, and upper surface layer next time is that longitudinal direction is mated formation,
Upper layer is airflow pavement, obtains the continuous slab of five-layer structure.
9. a kind of low-density according to claim 3 can facing oriented wood chipboard, it is characterised in that: the hot pressing includes:
Continuous slab after edging is used to the 9th generation intelligence continous way hot press hot pressing of Xin Bei Er Kangpu group production, press is long
Degree is 38.7m, and hot pressing temperature is followed successively by 230~245 DEG C, 220~230 DEG C, 210~220 DEG C, 200~210 DEG C, 170~180
DEG C, hot pressing 6~7.5s/mm of the factor, pressure be followed successively by 1.0~1.4MPa, 0.7~1.2MPa, 0.6~0.8MPa, 0.1~
0.3MPa, 0.7~1.0MPa, point five regions progress hot pressing, 5 oil cylinders of press frame arrangement, each oil cylinder working-pressure are independent
It is adjustable, ensure that product density deviation, thickness deviation are relatively small.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910489118.8A CN110091409A (en) | 2019-06-06 | 2019-06-06 | A kind of low-density can facing oriented wood chipboard |
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| CN201910489118.8A CN110091409A (en) | 2019-06-06 | 2019-06-06 | A kind of low-density can facing oriented wood chipboard |
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ID=67450462
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| CN201910489118.8A Pending CN110091409A (en) | 2019-06-06 | 2019-06-06 | A kind of low-density can facing oriented wood chipboard |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948630A (en) * | 2019-12-21 | 2020-04-03 | 寿光市鲁丽木业股份有限公司 | Oriented strand board with surface layer made of ultrathin large-piece wood shavings and preparation process of oriented strand board |
| CN110978165A (en) * | 2019-12-23 | 2020-04-10 | 万华禾香板业（公安县）有限责任公司 | Method and production line for producing board by mixing multiple raw materials |
| 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 |
| CN112223472A (en) * | 2020-10-19 | 2021-01-15 | 河南佳诺威木业有限公司 | Slab heating process |
| CN113459238A (en) * | 2021-06-28 | 2021-10-01 | 寿光市鲁丽木业股份有限公司 | Low-density veneerable oriented strand board 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 |
| 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 |
| CN113681657A (en) * | 2021-09-01 | 2021-11-23 | 江苏慧典新材有限公司 | Bamboo veneer oriented strand board and preparation process thereof |
| CN113715131A (en) * | 2021-09-07 | 2021-11-30 | 临沂兴滕人造板机械有限公司 | Production equipment and production process for polished fiber surface layer veneered directional structural slab |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948630A (en) * | 2019-12-21 | 2020-04-03 | 寿光市鲁丽木业股份有限公司 | Oriented strand board with surface layer made of ultrathin large-piece wood shavings and preparation process of oriented strand board |
| CN110978165A (en) * | 2019-12-23 | 2020-04-10 | 万华禾香板业（公安县）有限责任公司 | Method and production line for producing board by mixing multiple raw materials |
| CN110978165B (en) * | 2019-12-23 | 2022-03-18 | 万华禾香板业（公安县）有限责任公司 | Method and production line for producing board by mixing multiple raw materials |
| 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 |
| CN112223472A (en) * | 2020-10-19 | 2021-01-15 | 河南佳诺威木业有限公司 | Slab heating process |
| CN113459238A (en) * | 2021-06-28 | 2021-10-01 | 寿光市鲁丽木业股份有限公司 | Low-density veneerable oriented strand board and preparation method thereof |
| CN113459238B (en) * | 2021-06-28 | 2022-09-16 | 寿光市鲁丽木业股份有限公司 | Low-density veneerable oriented strand board 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 |
| 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 |
| CN113681657A (en) * | 2021-09-01 | 2021-11-23 | 江苏慧典新材有限公司 | Bamboo veneer oriented strand board and preparation process thereof |
| CN113715131A (en) * | 2021-09-07 | 2021-11-30 | 临沂兴滕人造板机械有限公司 | Production equipment and production process for polished fiber surface layer veneered directional structural slab |
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Application publication date: 20190806 |