CN103586958B - A kind of manufacturing process of bamboo wood composite plate - Google Patents
A kind of manufacturing process of bamboo wood composite plate Download PDFInfo
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- CN103586958B CN103586958B CN201310537314.0A CN201310537314A CN103586958B CN 103586958 B CN103586958 B CN 103586958B CN 201310537314 A CN201310537314 A CN 201310537314A CN 103586958 B CN103586958 B CN 103586958B
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Abstract
The invention discloses a kind of manufacturing process of bamboo wood composite plate, comprise material screening, cleaning, boiling, defibrator process, glue compounding and applying, drying, mat formation shaping, hot pressing and cooling step, wherein: chip screen is chosen, bamboo wood proportioning is 1:3.5 ~ 1:4; In boiling step, cooking pressure is 7.3 ~ 7.7bar, digestion time 0.8 ~ 1.2min; In defibrator process step, digested wood chip is fine by defibrator solution, and in grinding machine, add melt paraffin, paraffin applied amount is 4.0 ~ 4.5kg, and mill power is at 180 ~ 190kwh/t simultaneously; In glue compounding and applying step, by adhesive and curing agent mixing application, gluing dosage is 12% ~ 12.5; In drying steps, dried moisture content is 10% ~ 11%.The bamboo wood composite plate steady quality that the present invention produces, plate property can reach the performance requirement of pure wood fibre board; In addition, because bamboo wood is more cheap than timber, greatly can reduce production cost, increase productivity effect.
Description
Technical field
The invention belongs to wood processing field, be specifically related to a kind of manufacturing process of bamboo wood composite plate.
Background technology
Along with the fast development of China's fiberboard industry, add the enforcement of the great ecological engineerings such as national natural forest protection, countries in the world forbid that log exports one after another, China's timber resource shortage, and imbalance between supply and demand aggravates, and finds a kind of resource of timber that can replace to be imminent.China's bamboo timber resource enriches, the industrial utilization approach of development bamboo plant, wood substituted by bamboo, alleviates being the effective means that China's forest tree resource is short, raising plant utilizes economic benefit.The technique that present stage does fiberboard with pure bamboo wood is separately also immature, can replace wood producing fiberboard temporarily with parts of bamboo.
Summary of the invention
The object of the invention is to overcome prior art not enough and provide a kind of manufacturing process of bamboo wood composite plate, this bamboo wood composite plate both can reach the performance requirement of pure wood fibre board, greatly can reduce again production cost, increased productivity effect.
A manufacturing process for bamboo wood composite plate, comprises material screening, cleaning, boiling, defibrator process, glue compounding and applying, drying, mat formation shaping, hot pressing and cooling step, wherein:
In material screening, bamboo wood proportioning is 1:3.5 ~ 1:4;
In boiling step, cooking pressure is 7.3 ~ 7.7bar, digestion time 0.8 ~ 1.2min;
In defibrator process step, digested bamboo and wood sheet is fine by defibrator solution, and in grinding machine, add melt paraffin, paraffin applied amount is 4.0 ~ 4.5kg, and mill power is at 140 ~ 150kwh/t(N simultaneously), 180 ~ 190kwh/t(S);
In glue compounding and applying step, gluing dosage is 12% ~ 12.5%;
In drying steps, dried moisture content is 10% ~ 11%.
Grope through a large amount of tests, optimum technological parameter is: in material screening step, and bamboo wood proportioning is 1:4; In boiling step, cooking pressure is 7.5bar, digestion time 1.0min; In defibrator process step, digested bamboo and wood sheet is fine by defibrator solution, and in grinding machine, add melt paraffin, paraffin applied amount is 4.0kg, and mill power is at 140 ~ 150kwh/t(N simultaneously), 180 ~ 190kwh/t(S); In glue compounding and applying step, gluing dosage is 12%; In drying steps, dried moisture content is 11%.
In the manufacturing process of above-mentioned bamboo wood composite plate, timber used is the one in pine, Eucalyptus or weedtree.
In the manufacturing process of above-mentioned bamboo wood composite plate, adhesive is bamboo wood special glue for lamination.
In the manufacturing process of above-mentioned bamboo wood composite plate, curing agent is ammonium chloride.
Compared with prior art, its remarkable advantage is: the first in the present invention, bamboo wood composite plate steady quality, and plate property can reach the performance requirement of pure wood fibre board; The second, bamboo wood is more cheap than timber, greatly can reduce production cost, increases productivity effect.
Detailed description of the invention
Embodiment 1
A manufacturing process for bamboo wood composite plate, comprises the steps:
1. material screening: screen (qualified bamboo chip, wood chip are between 5-75mm) wood chip and bamboo chip, after screening, is adjusted the proportioning of bamboo wood, makes bamboo wood proportioning be 1:3.5 by the speed of adjustment wood chip spiral;
2. clean: wood chip and bamboo chip, through washing process, are removed the impurity such as sandstone, metal, body refuse mixed on the one hand, ensured the cleaning of wood chip and bamboo chip, suitably increase the moisture content of wood chip and bamboo chip on the other hand;
3. boiling: water washed wood chip and bamboo chip saturated vapor carry out boiling at boiling cylinder, cooking pressure is 7.3bar, digestion time 0.8min;
4. defibrator process: digested bamboo chip, wood chip are fine by defibrator solution, in grinding machine, add melt paraffin, paraffin applied amount is 4.0kg simultaneously;
5. glue compounding and applying: by bamboo wood special glue for lamination and 20% ammonium chloride solution by impregnation place direct and fibers mixture, adhesive addition is 12%, and ammonium chloride solution consumption rationally applies according to sheet material kind;
6. dry: the fiber executing resin glue and curing agent is carried out drying, and dried moisture content is 10%;
7. shaping: dried fiber is obtained sheet material after paving prefabricating, hot pressing cutting edge;
8. cool: higher due to temperature from the sheet material of press process, cooling processing need be carried out through cooling turnover panel, enhance product performance further.
Embodiment 2
A manufacturing process for bamboo wood composite plate, comprises the steps:
1. material screening: screen (qualified bamboo chip, wood chip are between 5-75mm) wood chip and bamboo chip, after screening, is adjusted the proportioning of bamboo wood, makes bamboo wood proportioning be 1:4 by the speed of adjustment wood chip spiral;
2. clean: wood chip and bamboo chip, through washing process, are removed the impurity such as sandstone, metal, body refuse mixed on the one hand, ensured the cleaning of wood chip and bamboo chip, suitably increase the moisture content of wood chip and bamboo chip on the other hand;
3. boiling: water washed wood chip and bamboo chip saturated vapor carry out boiling at boiling cylinder, cooking pressure is 7.5bar, digestion time 1.0min;
4. defibrator process: digested bamboo chip, wood chip are fine by defibrator solution, in grinding machine, add melt paraffin, paraffin applied amount is 4.1kg simultaneously;
5. glue compounding and applying: by bamboo wood special glue for lamination and 20% ammonium chloride solution by impregnation place direct and fibers mixture, adhesive addition is 12.1%, and ammonium chloride solution consumption rationally applies according to sheet material kind;
6. dry: the fiber executing resin glue and curing agent is carried out drying, and dried moisture content is 10%;
7. shaping: dried fiber is obtained sheet material after paving prefabricating, hot pressing cutting edge;
8. cool: higher due to temperature from the sheet material of press process, cooling processing need be carried out through cooling turnover panel, enhance product performance further.
Embodiment 3
A manufacturing process for bamboo wood composite plate, comprises the steps:
1. material screening: screen (qualified bamboo chip, wood chip are between 5-75mm) wood chip and bamboo chip, after screening, is adjusted the proportioning of bamboo wood, makes bamboo wood proportioning be 1:3.6 by the speed of adjustment wood chip spiral;
2. clean: wood chip and bamboo chip, through washing process, are removed the impurity such as sandstone, metal, body refuse mixed on the one hand, ensured the cleaning of wood chip and bamboo chip, suitably increase the moisture content of wood chip and bamboo chip on the other hand;
3. boiling: water washed wood chip and bamboo chip saturated vapor carry out boiling at boiling cylinder, cooking pressure is 7.7bar, digestion time 1.2min;
4. defibrator process: digested bamboo chip, wood chip are fine by defibrator solution, in grinding machine, add melt paraffin, paraffin applied amount is 4.3kg simultaneously;
5. glue compounding and applying: by bamboo wood special glue for lamination and ammonium chloride solution (concentration 20%) by impregnation place direct and fibers mixture, adhesive addition is 12.3%, and ammonium chloride solution consumption rationally applies according to sheet material kind;
6. dry: the fiber executing resin glue and curing agent is carried out drying, and dried moisture content is 11%;
7. shaping: dried fiber is obtained sheet material after paving prefabricating, hot pressing cutting edge;
8. cool: higher due to temperature from the sheet material of press process, cooling processing need be carried out through cooling turnover panel, enhance product performance further.
Embodiment 4
A manufacturing process for bamboo wood composite plate, comprises the steps:
1. material screening: screen (qualified bamboo chip, wood chip are between 5-75mm) wood chip and bamboo chip, after screening, is adjusted the proportioning of bamboo wood, makes bamboo wood proportioning be 1:3.7 by the speed of adjustment wood chip spiral;
2. clean: wood chip and bamboo chip, through washing process, are removed the impurity such as sandstone, metal, body refuse mixed on the one hand, ensured the cleaning of wood chip and bamboo chip, suitably increase the moisture content of wood chip and bamboo chip on the other hand;
3. boiling: water washed wood chip and bamboo chip saturated vapor carry out boiling at boiling cylinder, cooking pressure is 7.4bar, digestion time 0.9min;
4. defibrator process: digested bamboo chip, wood chip are fine by defibrator solution, in grinding machine, add melt paraffin, paraffin applied amount is 4.2kg simultaneously;
5. glue compounding and applying: by bamboo wood special glue for lamination and ammonium chloride solution (concentration 20%) by impregnation place direct and fibers mixture, adhesive addition is 12.4%, and ammonium chloride solution consumption rationally applies according to sheet material kind;
6. dry: the fiber executing resin glue and curing agent is carried out drying, and dried moisture content is 11%;
7. shaping: dried fiber is obtained sheet material after paving prefabricating, hot pressing cutting edge;
8. cool: higher due to temperature from the sheet material of press process, cooling processing need be carried out through cooling turnover panel, enhance product performance further.
Embodiment 5
A manufacturing process for bamboo wood composite plate, comprises the steps:
1. material screening: screen (qualified bamboo chip, wood chip are between 5-75mm) wood chip and bamboo chip, after screening, is adjusted the proportioning of bamboo wood, makes bamboo wood proportioning be 1:3.9 by the speed of adjustment wood chip spiral;
2. clean: wood chip and bamboo chip, through washing process, are removed the impurity such as sandstone, metal, body refuse mixed on the one hand, ensured the cleaning of wood chip and bamboo chip, suitably increase the moisture content of wood chip and bamboo chip on the other hand;
3. boiling: water washed wood chip and bamboo chip saturated vapor carry out boiling at boiling cylinder, cooking pressure is 7.6bar, digestion time 1.1min;
4. defibrator process: digested bamboo chip, wood chip are fine by defibrator solution, in grinding machine, add melt paraffin, paraffin applied amount is 4.5kg simultaneously;
5. glue compounding and applying: by bamboo wood special glue for lamination and ammonium chloride solution (concentration 20%) by impregnation place direct and fibers mixture, adhesive addition is 12.5%, and ammonium chloride solution consumption rationally applies according to sheet material kind;
6. dry: the fiber executing resin glue and curing agent is carried out drying, and dried moisture content is 11%;
7. shaping: dried fiber is obtained sheet material after paving prefabricating, hot pressing cutting edge;
8. cool: higher due to temperature from the sheet material of press process, cooling processing need be carried out through cooling turnover panel, enhance product performance further.
Above-described embodiment products obtained therefrom is carried out performance test, and result is as follows:
| Density (kg/m 3） | Internal bond strength (MPa) | Surface bonding strength (MPa) | MOR (MPa) | Elastic modelling quantity (MPa) | Thickness swelling rate (%) | Become plate moisture content | |
| Embodiment 1 | 767 | 1.58 | 1.43 | 43 | 2713 | 18.2 | 5.75 |
| Embodiment 2 | 862 | 1.75 | 2.23 | 46 | 2988 | 21.7 | 6.52 |
| Embodiment 3 | 853 | 1.74 | 2.31 | 48 | 3311 | 22.3 | 6.56 |
| Embodiment 4 | 848 | 1.69 | 2.08 | 49 | 2869 | 22.6 | 6.23 |
| Embodiment 5 | 861 | 1.71 | 1.99 | 45 | 2932 | 21.4 | 6.31 |
| GB | —— | 1.0 | 1.2 | 27 | 2700 | 45 | 4-7 |
Claims (1)
1. a manufacturing process for bamboo wood composite plate, is characterized in that: prepare through material screening, cleaning, boiling, defibrator process, glue compounding and applying, drying, mat formation shaping, hot pressing and cooling step successively, wherein,
In material screening step, bamboo wood proportioning is 1:4;
In boiling step, cooking pressure is 7.5bar, digestion time 1.0min;
In defibrator process step, digested bamboo and wood sheet is fine by defibrator solution, and in grinding machine, add melt paraffin, paraffin applied amount is 4.0kg, and mill power is at 185kwh/t simultaneously;
In glue compounding and applying step, by adhesive and curing agent mixing application, gluing dosage is 12%; In drying steps, dried moisture content is 11%;
Timber used is the one in pine, Eucalyptus or weedtree;
Described adhesive is urea-formaldehyde resin adhesive or melamine glue;
Described curing agent is ammonium chloride.
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| CN201310537314.0A CN103586958B (en) | 2013-11-04 | 2013-11-04 | A kind of manufacturing process of bamboo wood composite plate |
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| CN103586958B true CN103586958B (en) | 2016-04-20 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104057528A (en) * | 2014-05-28 | 2014-09-24 | 安徽日昇木竹制品有限公司 | Method for producing bamboo-wood composite board |
| CN104493944B (en) * | 2014-12-03 | 2016-09-07 | 潘传节 | A kind of P2 height tabula rasa processing method |
| CN106079021A (en) * | 2016-06-15 | 2016-11-09 | 中南林业科技大学 | Prosthetic Form aldehyde release biology plate preparation method based on fast-growing grass |
| CN106079018A (en) * | 2016-06-15 | 2016-11-09 | 中南林业科技大学 | A kind of preparation method of prosthetic Form aldehyde release household material based on fast-growing grass |
| CN105922423B (en) * | 2016-06-21 | 2017-10-17 | 福建居怡竹木业有限公司 | Heavy bamboo HDF Parquet Manufacturing Technologies |
| CN112342807A (en) * | 2020-11-20 | 2021-02-09 | 江苏健坤木业有限公司 | Method for preparing fiberboard |
| CN113752356A (en) * | 2021-09-23 | 2021-12-07 | 广西上思华林林产工业有限公司 | Preparation method of high-density fiberboard |
Citations (2)
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| CN1994700A (en) * | 2006-12-30 | 2007-07-11 | 四川升达林产工业集团有限公司 | Medium density fiber board made from bamboo and wood |
| CN102806591A (en) * | 2012-07-27 | 2012-12-05 | 大亚木业(江西)有限公司 | Manufacturing process for ultra light fiber board |
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| JP2001030212A (en) * | 1999-07-27 | 2001-02-06 | Matsushita Electric Works Ltd | Manufacture of medium-density fiberboard |
| CN1792589A (en) * | 2005-11-23 | 2006-06-28 | 吴绍良 | Method for mfg. high, middle and low density board by bamboo material |
| CN102794809B (en) * | 2012-07-18 | 2014-06-11 | 广西华峰林业股份有限公司 | Production technology of environment-friendly medium-density fiberboard |
| CN102848447B (en) * | 2012-09-25 | 2015-09-30 | 普洱市卫国*** | The preparation method of medium density fibre board (MDF) |
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| CN1994700A (en) * | 2006-12-30 | 2007-07-11 | 四川升达林产工业集团有限公司 | Medium density fiber board made from bamboo and wood |
| CN102806591A (en) * | 2012-07-27 | 2012-12-05 | 大亚木业(江西)有限公司 | Manufacturing process for ultra light fiber board |
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| 不同混杂比下竹木复合纤维板的弹性模量;洪彬等;《世界竹藤通讯》;20091231;第7卷(第6期);正文第9-11页 * |
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