CN101664952B - Manufacturing method of bamboo-Chinese fir composite plate - Google Patents
Manufacturing method of bamboo-Chinese fir composite plate Download PDFInfo
- Publication number
- CN101664952B CN101664952B CN2009101526545A CN200910152654A CN101664952B CN 101664952 B CN101664952 B CN 101664952B CN 2009101526545 A CN2009101526545 A CN 2009101526545A CN 200910152654 A CN200910152654 A CN 200910152654A CN 101664952 B CN101664952 B CN 101664952B
- Authority
- CN
- China
- Prior art keywords
- wood shavings
- china fir
- bamboo
- slab
- glue
- Prior art date
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- 239000002131 composite materials Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000002023 wood Substances 0.000 claims abstract description 116
- 240000006954 Cunninghamia lanceolata Species 0.000 claims abstract description 87
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 82
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 82
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 82
- 280000765563 Bamboo companies 0.000 claims abstract description 81
- 241001330002 Bambuseae Species 0.000 claims abstract description 81
- 239000011425 bamboo Substances 0.000 claims abstract description 81
- 239000003292 glue Substances 0.000 claims abstract description 47
- 238000007731 hot pressing Methods 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000010410 layers Substances 0.000 claims description 40
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Abstract
Description
Technical field
The present invention relates to a kind of manufacture method of bamboo China fir composite board.Be applicable to fields such as furniture manufacturing, indoor decorating.
Background technology
China fir is that the most important speed of China is given birth to one of commerical tree species, and area and accumulation all occupy national needle artificial forest first place.Current application along with China fir is progressively replaced by building material, its demand falls sharply, cause a large amount of overstocking, though in the production of core board for fine woodworker's board and integrated timber, obtained application, but timber utilization rate is no more than 50%, the a large amount of saw lumber slabs that produce in production richness gather in each processing enterprise, still fail processing and utilization preferably so far, have wasted the China fir resource greatly.Therefore, current urgent need development and use China fir saw lumber slab.
For bamboo wood, because characteristics such as its intrinsic footpath is little, wall is thin, hollow have caused the processing and utilization rate of bamboo wood often to be lower than 50%, major part becomes industrial wood waste, be used as the auxiliary fuel of boiler except that a small amount of at present, discarded mostly not utilization, not only waste bamboo timber resource but also polluted environment, demand urgently developing energetically.
In the prior art, have with China fir make batten, bamboo wood is made bamboo chip, makes the technology of composite plate again through super-dry, applying glue, assembly, hot pressing.But the utilization rate of bamboo wood and China fir all is lower than 50%, can produce a large amount of China fir saw lumber slab and bamboo surplus material of processing.
In the prior art, also have China fir small dimension wood, saw lumber slab are processed into the wood bundle through combing to separate, make the technology of sheet material again through operations such as wood bundle drying, applying glue, orienting spreading, hot pressing.Though the utilization rate of China fir is higher, because of the wood bundle into strips, size is bigger, the surface of institute's panel is more coarse.
In the prior art, consider bamboo surplus material of processing-factory's bamboo shaving, bamboo to be worth doing pass through screening, oven dry, applying glue, mat formation, be hot pressed into plate technology in addition.But owing to the not only most of fiber of factory's bamboo shaving is cut off, and contain surf green, the tabasheer that is difficult to glue together, therefore the MOR of the sheet material of making, bonding strength etc. are lower more; In addition, the bamboo bits are graininess more, and form is little, and consumption glue amount is big.
In addition, the wood shavings class sheet material that utilizes China fir saw lumber slab and bamboo surplus material of processing to make in the prior art exists thickness swelling rate higher, the unsettled deficiency of size.
Summary of the invention
The technical problem to be solved in the present invention is: the manufacture method that the bamboo China fir composite board that a kind of comprehensive high-efficiency utilizes China fir saw lumber slab and bamboo surplus material of processing is provided, be intended to improve the utilization rate of wooden bamboo wood, and should have the characteristic that the plate face is smooth, intensity is high, glue consumption is few, dimensional stability is good.
The technical solution adopted in the present invention is: the manufacture method of bamboo China fir composite board is characterized in that may further comprise the steps:
(1) flaking: with China fir saw lumber slab, become slim lengthy motion picture shape China fir wood shavings with long material chipper planing operation, wood shavings length is 80-110mm, and width is 8-15mm, and thickness is 0.2-0.5mm;
(2) wood shavings primary election: slim lengthy motion picture shape China fir wood shavings, factory's bamboo shaving added respectively in the circular sieve screen for the first time, remove dust, graininess bamboo bits and graininess China fir wood shavings;
(3) China fir wood shavings sprays is steamed and is handled: in packing slim lengthy motion picture shape China fir wood shavings into the steam treatment jar airtight, handle 3-7min with about 140-160 ℃ steam spraying;
(4) the bamboo shaving poach is handled: will place in the poach pond with bamboo shaving, and add cold water, and allow water logging not have bamboo shaving, and be rapidly heated 100 ℃ then, 100 ℃ of following poach bamboo planeizations, the poach time is 15-30 minute;
(5) drying: will spray China fir particle drying after steam handling to moisture content 7-11%, the bamboo shaving after the poach processing is dried to moisture content 3-6%;
(6) wood shavings sorting: respectively dried China fir wood shavings and bamboo shaving are carried out sorting with oscillating riddle, slim lengthy motion picture shape China fir wood shavings are as the skin-material of sheet material, and thinner China fir wood shavings and bamboo shaving are as the core material of sheet material;
(7) glue mixing: top layer and core material are used the glue mixer glue mixing respectively, and used adhesive is a resin adhesive liquid, and the top layer wood shavings are identical with the resin added of sandwich layer wood shavings, are 100kg over dry wood shavings, apply the 6-9kg resin solid; Before glue mixing, at first calculate the weight of required resin adhesive liquid, what add over dry wood shavings weight 0.5-1.5% in this glue dissolves paraffin as waterproofing agent, and the ammonium chloride of adding resin solid weight 0.5-1.2% is as curing agent, it is after-applied on wood shavings to stir, and stirs with glue mixer;
(8) mat formation: the slim lengthy motion picture shape China fir wood shavings after will stirring, with up and down two top layers of orienting spreading machine along slab length direction rift grain orienting spreading in slab; To China fir wood shavings and bamboo shaving thinner after stirring, be laid on the sandwich layer of slab at random equably with machinery or air-flowing type spreading machine, in slab, the percentage by weight of table, core material is: the top layer wood shavings account for 20-40%, and the sandwich layer wood shavings account for 60-80%.
(9) precompressed: the slab after will mating formation places the preformer precompressed, the unit pressure 1.0-1.5MPa of precompressed, and the time of precompressed is 10-40s;
(10) hot pressing: the slab after the precompressed enters and carries out hot pressing in the hot press, and hot pressing temperature is 155-195 ℃, and unit pressure is 2.0-3.5MPa, and the time is 15-40s/mm, adopts finger gauge control thickness;
(11) post-processed: the bamboo China fir composite board after the hot pressing at room temperature cools off, and carries out cutting edge by standard then, carries out sanding after stacking 2-3 days.
Described resin adhesive liquid is E 0Or E 1Environment-friendly modified Lauxite glue, wherein resin solid accounts for 50-60%, and water accounts for 40-50%.
Environmental protection Eo urea-formaldehyde resin powder is that the free aldehyde transformation technology of a kind of employing is base-material with amino resins, be equipped with synthetic list (two) the component plastic powder mixture of auxiliary materials such as crosslinking agent, modifier, plasticizer, can automatically cross-linked catalysis under room temperature and high temperature adhesive, can form very strong watertight composition (reaching the anti-water quality standard of the D4 of European Union) after the use, timber than most of categories is also tough and tensile, is a kind of high-intensity timber specialty adhesive.Series of products can satisfy the Eo of European Union, E1 grade standard, U.S. ANSI national standard, Japanese JAS-Fc0, Fc1 grade standard, meet China GB18580-2001 standard code.
The invention has the beneficial effects as follows: utilized China fir saw lumber slab and bamboo surplus material of processing comprehensive high-efficiency of the present invention, improved the utilization rate of wooden bamboo wood greatly, and the sheet material plate face of producing is smooth, intensity is high, glue consumption is few, dimensional stability is good.
The specific embodiment
Embodiment 1, the example method may further comprise the steps:
(1) flaking: with China fir saw lumber slab (containing the more person of bark need remove the peel), become slim lengthy motion picture shape China fir wood shavings with long material chipper planing operation, wood shavings length is 80mm, and width is 8mm, and thickness is 0.2mm.This shape can improve the China fir utilization rate by a relatively large margin, increases the intensity of sheet material; Being laid on the sheet material top layer can make the plate face more smooth.
(2) wood shavings primary election: slim lengthy motion picture shape China fir wood shavings, factory's bamboo shaving added respectively in the circular sieve screen for the first time, remove dust, graininess bamboo bits and graininess China fir wood shavings.This operation can reduce resin added, reduces the morphological differences between the wood shavings, and panel density is evenly distributed.
(3) China fir wood shavings sprays is steamed and is handled: in packing slim lengthy motion picture shape China fir wood shavings into the steam treatment jar airtight, with about 140 ℃ steam sprayings processing 3min.This operation can reduce the thickness swelling rate of bamboo China fir composite board, improves dimensional stability; Can improve the glue performance of wood shavings, thereby reduce resin added.
(4) the bamboo shaving poach is handled: will place in the poach pond with bamboo shaving, and add cold water, and allow water logging not have bamboo shaving, and be rapidly heated 100 ℃ then, 100 ℃ of following poach bamboo planeizations, the poach time is 15 minutes.This operation can improve the glue performance of wood shavings, thereby reduces resin added.
(5) drying: will spray China fir particle drying after steam handling to moisture content 7%, the bamboo shaving after the poach processing is dried to moisture content 3%.The China fir wood shavings are laid on the sheet material top layer, and bamboo shaving is laid on the sheet material sandwich layer, and the top layer moisture content is higher than sandwich layer, can produce the steam impringement effect when hot pressing, can shorten hot pressing time.
(6) wood shavings sorting: respectively dried China fir wood shavings and bamboo shaving are carried out sorting with oscillating riddle, slim lengthy motion picture shape China fir wood shavings are as the skin-material of sheet material, and thinner China fir wood shavings and bamboo shaving are as the core material of sheet material.
(7) glue mixing: top layer and core material are used the glue mixer glue mixing respectively, and used adhesive is E 0Environment-friendly modified Lauxite glue, wherein resin solid accounts for 50%, and water accounts for 50%.The top layer wood shavings are identical with the resin added of sandwich layer wood shavings, are 100kg over dry wood shavings, apply the 6kg resin solid; Before glue mixing, at first calculate the weight of required resin adhesive liquid, what add over dry wood shavings weight 0.5% in this glue dissolves paraffin as waterproofing agent, and the ammonium chloride of adding resin solid weight 0.5% is as curing agent, it is after-applied on wood shavings to stir, and stirs with glue mixer;
(8) mat formation: the slim lengthy motion picture shape China fir wood shavings after will stirring, with up and down two top layers of orienting spreading machine along slab length direction rift grain orienting spreading in slab; To China fir wood shavings and bamboo shaving thinner after stirring, be laid on the sandwich layer of slab at random equably with machinery or air-flowing type spreading machine, in slab, the percentage by weight of table, core material is: the top layer wood shavings account for 20%, and the sandwich layer wood shavings account for 80%.
(9) precompressed: the slab after will mating formation places the preformer precompressed, the unit pressure 1.0MPa of precompressed, and the time of precompressed is 10s.
(10) hot pressing: the slab after the precompressed enters and carries out hot pressing in the hot press, and hot pressing temperature is 155 ℃, and unit pressure is 2.0MPa, and the time is 15s/mm, adopts finger gauge control thickness.
(11) post-processed: the bamboo China fir composite board after the hot pressing at room temperature cools off, and carries out cutting edge by standard then, and stacking carries out sanding after 2 days.
Embodiment 2, the example method may further comprise the steps:
(1) flaking: with China fir saw lumber slab (containing the more person of bark need remove the peel), become slim lengthy motion picture shape China fir wood shavings with long material chipper planing operation, wood shavings length is 110mm, and width is 15mm, and thickness is 0.5mm.
(2) wood shavings primary election: slim lengthy motion picture shape China fir wood shavings, factory's bamboo shaving added respectively in the circular sieve screen for the first time, remove dust, graininess bamboo bits and graininess China fir wood shavings.
(3) China fir wood shavings sprays is steamed and is handled: in packing slim lengthy motion picture shape China fir wood shavings into the steam treatment jar airtight, with about 160 ℃ steam sprayings processing 7min.
(4) the bamboo shaving poach is handled: will place in the poach pond with bamboo shaving, and add cold water, and allow water logging not have bamboo shaving, and be rapidly heated 100 ℃ then, 100 ℃ of following poach bamboo planeizations, the poach time is 30 minutes.
(5) drying: will spray China fir particle drying after steam handling to moisture content 11%, the bamboo shaving after the poach processing is dried to moisture content 6%.
(6) wood shavings sorting: respectively dried China fir wood shavings and bamboo shaving are carried out sorting with oscillating riddle, slim lengthy motion picture shape China fir wood shavings are as the skin-material of sheet material, and thinner China fir wood shavings and bamboo shaving are as the core material of sheet material.
(7) glue mixing: top layer and core material are used the glue mixer glue mixing respectively, and used adhesive is E 1Environment-friendly modified Lauxite glue, wherein resin solid accounts for 60%, and water accounts for 40%.The top layer wood shavings are identical with the resin added of sandwich layer wood shavings, are 100kg over dry wood shavings, apply the 9kg resin solid; Before glue mixing, at first calculate the weight of required resin adhesive liquid, what add over dry wood shavings weight 1.5% in this glue dissolves paraffin as waterproofing agent, and the ammonium chloride of adding resin solid weight 1.2% is as curing agent, it is after-applied on wood shavings to stir, and stirs with glue mixer;
(8) mat formation: the slim lengthy motion picture shape China fir wood shavings after will stirring, with up and down two top layers of orienting spreading machine along slab length direction rift grain orienting spreading in slab; To China fir wood shavings and bamboo shaving thinner after stirring, be laid on the sandwich layer of slab at random equably with machinery or air-flowing type spreading machine, in slab, the percentage by weight of table, core material is: the top layer wood shavings account for 40%, and the sandwich layer wood shavings account for 60%.
(9) precompressed: the slab after will mating formation places the preformer precompressed, the unit pressure 1.5MPa of precompressed, and the time of precompressed is 40s.
(10) hot pressing: the slab after the precompressed enters and carries out hot pressing in the hot press, and hot pressing temperature is 195 ℃, and unit pressure is 3.5MPa, and the time is 40s/mm, adopts finger gauge control thickness.
(11) post-processed: the bamboo China fir composite board after the hot pressing at room temperature cools off, and carries out cutting edge by standard then, and stacking carries out sanding after 3 days.
Embodiment 3, the example method may further comprise the steps:
(1) flaking: with China fir saw lumber slab (containing the more person of bark need remove the peel), become slim lengthy motion picture shape China fir wood shavings with long material chipper planing operation, wood shavings length is 95mm, and width is 12mm, and thickness is 0.3mm.
(2) wood shavings primary election: slim lengthy motion picture shape China fir wood shavings, factory's bamboo shaving added respectively in the circular sieve screen for the first time, remove dust, graininess bamboo bits and graininess China fir wood shavings.
(3) China fir wood shavings sprays is steamed and is handled: in packing slim lengthy motion picture shape China fir wood shavings into the steam treatment jar airtight, with about 150 ℃ steam sprayings processing 5min.
(4) the bamboo shaving poach is handled: will place in the poach pond with bamboo shaving, and add cold water, and allow water logging not have bamboo shaving, and be rapidly heated 100 ℃ then, 100 ℃ of following poach bamboo planeizations, the poach time is 25 minutes.
(5) drying: will spray China fir particle drying after steam handling to moisture content 9%, the bamboo shaving after the poach processing is dried to moisture content 4%.
(6) wood shavings sorting: respectively dried China fir wood shavings and bamboo shaving are carried out sorting with oscillating riddle, slim lengthy motion picture shape China fir wood shavings are as the skin-material of sheet material, and thinner China fir wood shavings and bamboo shaving are as the core material of sheet material.
(7) glue mixing: top layer and core material are used the glue mixer glue mixing respectively, and used adhesive is E 0Environment-friendly modified Lauxite glue, wherein resin solid accounts for 50%, and water accounts for 50%.The top layer wood shavings are identical with the resin added of sandwich layer wood shavings, are 100kg over dry wood shavings, apply the 7kg resin solid; Before glue mixing, at first calculate the weight of required resin adhesive liquid, what add over dry wood shavings weight 1.0% in this glue dissolves paraffin as waterproofing agent, and the ammonium chloride of adding resin solid weight 0.8% is as curing agent, it is after-applied on wood shavings to stir, and stirs with glue mixer;
(8) mat formation: the slim lengthy motion picture shape China fir wood shavings after will stirring, with up and down two top layers of orienting spreading machine along slab length direction rift grain orienting spreading in slab; To China fir wood shavings and bamboo shaving thinner after stirring, be laid on the sandwich layer of slab at random equably with machinery or air-flowing type spreading machine, in slab, the percentage by weight of table, core material is: the top layer wood shavings account for 30%, and the sandwich layer wood shavings account for 70%.
(9) precompressed: the slab after will mating formation places the preformer precompressed, the unit pressure 1.2MPa of precompressed, and the time of precompressed is 25s.
(10) hot pressing: the slab after the precompressed enters and carries out hot pressing in the hot press, and hot pressing temperature is 175 ℃, and unit pressure is 2.8MPa, and the time is 28s/mm, adopts finger gauge control thickness.
(11) post-processed: the bamboo China fir composite board after the hot pressing at room temperature cools off, and carries out cutting edge by standard then, and stacking carries out sanding after 2 days.
In the foregoing description used equipment as: steam treatment jar, glue mixer, orienting spreading machine, machinery or air-flowing type spreading machine, preformer, hot press etc. all are commonly used equipment and technology of sheet material manufacturing, owing to be not of the present inventionly will put the place, do not do to launch introduction.
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152370A (en) * | 2011-01-21 | 2011-08-17 | 福建省邵武福人林产有限公司 | Wood-bamboo composite shaving board and production technique thereof |
| CN102407557A (en) * | 2011-11-14 | 2012-04-11 | 朱江福 | Production method for compounding and integrating bamboo wood into square-edged timber |
| CN102909772A (en) * | 2012-11-06 | 2013-02-06 | 江苏快乐木业集团有限公司 | Directional shaving board and manufacturing method thereof |
| CN103056954B (en) * | 2013-01-16 | 2015-10-28 | 金华市捷特包装有限公司 | A kind of production technology of Wood wool slab with directional structure |
| CN104441186B (en) * | 2014-11-12 | 2017-04-12 | 广西南宁绿园北林木业有限公司 | Method for producing shaving board through lignin adhesives |
| CN105171883B (en) * | 2015-06-10 | 2017-10-10 | 南京林业大学 | A kind of manufacture method of bamboo and wood oriented wood chipboard used for bottom plate of container |
| CN105171890A (en) * | 2015-08-13 | 2015-12-23 | 湖南万华生态板业有限公司 | Shaving board manufacturing method |
| CN105034126A (en) * | 2015-09-09 | 2015-11-11 | 四川麦笠机械设备有限公司 | Method for pressing high-performance reconsolidated wood |
| CN105459227A (en) * | 2015-12-30 | 2016-04-06 | 湖北康欣新材料科技有限责任公司 | Continuous production method of multilayer composite container bottom plate |
| CN105818239A (en) * | 2016-03-20 | 2016-08-03 | 安徽志昌竹木科技有限公司 | Bamboo-wood composite floorboard laminating method |
| CN106363765A (en) * | 2016-09-29 | 2017-02-01 | 阜南县星光工艺品有限公司 | Preparing method of traditional Chinese medicine durable shaving board |
| CN106945145A (en) * | 2017-03-08 | 2017-07-14 | 索菲亚家居（浙江）有限公司 | A kind of production technology of the environmentally friendly particieboard of low smell |
| CN110014494A (en) * | 2019-04-15 | 2019-07-16 | 安徽百祺瑞建材科技有限公司 | A kind of fire-proof doors and windows combo box plate and its synthetic method |
| 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 |
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