CN106738178A - A kind of particle boards to manufacturing method - Google Patents
A kind of particle boards to manufacturing method Download PDFInfo
- Publication number
- CN106738178A CN106738178A CN201611106968.8A CN201611106968A CN106738178A CN 106738178 A CN106738178 A CN 106738178A CN 201611106968 A CN201611106968 A CN 201611106968A CN 106738178 A CN106738178 A CN 106738178A
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- China
- Prior art keywords
- obtaining
- hot
- comminuting matter
- manufacturing
- particle boards
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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
- B27N3/02—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
- B27N3/10—Moulding of mats
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a kind of wood processing treatment technical field, and in particular to supply a kind of particle boards to manufacturing method, including following process step：By beanstalk stalk, Wheat Straw co-grinding, acidifying dipping; impregnation process in methyl acrylate ethanol solution is impregnated in after heated-air drying, after being dried under hot blast through mating formation, it is precompressed, hot-forming, the board quality that the present invention obtains is vacuum dried under nitrogen protection good; intensity is high, and burst size of methanal is few.
Description
Technical field
The present invention relates to a kind of wood processing treatment technical field, and in particular to supply a kind of particle boards to manufacturing method.
Background technology
Particieboard is called particle board, particle board, bagasse board, the particle being made up of timber or other ligno-cellulosic materials, applies
The wood-based plate composed under heating power and pressure effect after adhesive, also known as flakeboard.It is mainly used in Furniture manufacture and building work
Industry and train, automobile bodies manufacture.Because particieboard structure is than more uniform, good processability, can be processed into as needed big
The sheet material of breadth, is to make different size, the preferable raw material of furniture of pattern.Manufactured goods particieboard need not be dried again,
Can directly use, sound-absorbing and sound insulation value are also fine.But it also has the shortcomings that its is intrinsic, and such as bonding capacity is poor between former material,
Content of formaldehyde is high.
The content of the invention
To solve the shortcoming that existing particieboard is present, it is an object of the invention to provide a kind of particle boards to manufacturing method.
The technical solution adopted by the present invention is, a kind of particle boards to manufacturing method, including following process step：
（1）Beanstalk stalk, Wheat Straw are pressed 5:1 ratio co-grinding will crush the material for obtaining and impregnated in pH to 100-120 mesh
It is worth in the acidifying solution for 4.5-4.7, is 0.012-0.015Mpa in vacuum, temperature is treatment 5-6 minute at 30-32 DEG C；
（2）To process under the comminuting matter for obtaining is placed in 35-38 DEG C of hot blast and dry to water content in 40-42%；
（3 will process the comminuting matter for obtaining impregnated in impregnation process in the methyl acrylate ethanol solution that concentration is 10-12ml/L
1.8-2 hours；
（4）To process under the comminuting matter for obtaining is placed in 35-38 DEG C of hot blast and dry to water content in 58-60%；
（5）To process the comminuting matter that obtains through mating formation, it is precompressed, hot-forming；
（6）Hot-forming particieboard is placed in dried process room, dried process room is vacuumized, appropriate helium is passed through afterwards
Gas, makes the pressure in dried process room be maintained at -0.08 ~ -0.1Mpa, keeps dried process indoor temperature at 42-45 DEG C, dries
Treatment 80-90 minutes.
Beneficial effect of the present invention is that the board quality that the present invention is obtained is good, and intensity is high, and burst size of methanal is few, treatment
In operation, the impregnated acidification of raw material can be improved into raw material permeance property, quickly be penetrated into beneficial to methyl acrylate ethanol solution,
Make effective gluing between raw material；
After measured, burst size of methanal only 1.3mg/100g in the particieboard that obtains of the present invention, water content in 6.5-7%, interior combination
Intensity ＞ 3.5Mpa, surface bonding strength is more than 5.2Mpa, and MOR is more than 30Mpa, and expansion rate of water absorption is less than 1.3%.
Specific embodiment
Embodiment 1：
A kind of particle boards to manufacturing method, including following process step：
（1）Beanstalk stalk, Wheat Straw are pressed 5:1 ratio co-grinding to 100 mesh, will crush the material that obtains and impregnated in pH value and be
It is 0.012Mpa in vacuum in 4.5 acidifying solution, temperature is treatment 5 minutes at 30 DEG C；
（2）To process under the comminuting matter for obtaining is placed in 35 DEG C of hot blast and dry to water content 40%；
（3 will process the comminuting matter for obtaining impregnated in impregnation process 1.8 in the methyl acrylate ethanol solution that concentration is 10ml/L
Hour；
（4）To process under the comminuting matter for obtaining is placed in 35 DEG C of hot blast and dry to water content 58%；
（5）To process the comminuting matter that obtains through mating formation, it is precompressed, hot-forming；
（6）Hot-forming particieboard is placed in dried process room, dried process room is vacuumized, appropriate helium is passed through afterwards
Gas, makes the pressure in dried process room be maintained at -0.08Mpa, keeps dried process indoor temperature in 42 DEG C, 80 points of dried process
Clock.
Embodiment 2：
A kind of particle boards to manufacturing method, including following process step：
（1）Beanstalk stalk, Wheat Straw are pressed 5:1 ratio co-grinding to 120 mesh, will crush the material that obtains and impregnated in pH value and be
It is 0.015Mpa in vacuum in 4.7 acidifying solution, temperature is treatment 6 minutes at 32 DEG C；
（2）To process under the comminuting matter for obtaining is placed in 38 DEG C of hot blast and dry to water content 42%；
（3 will to process impregnation process 2 during the comminuting matter that obtains impregnated in the methyl acrylate ethanol solution that concentration is 12ml/L small
When；
（4）To process under the comminuting matter for obtaining is placed in 38 DEG C of hot blast and dry to water content 60%；
（5）To process the comminuting matter that obtains through mating formation, it is precompressed, hot-forming；
（6）Hot-forming particieboard is placed in dried process room, dried process room is vacuumized, appropriate helium is passed through afterwards
Gas, makes the pressure in dried process room be maintained at -0.1Mpa, keeps dried process indoor temperature in 45 DEG C, 90 points of dried process
Clock.
Below in conjunction with specific drying test, the present invention is further described：
Experiment former material produces beanstalk stalk, Wheat Straw by the same place of production, and beanstalk stalk, Wheat Straw are pressed into 5:1 ratio co-grinding is extremely
100-120 mesh, obtains mixing former material, and random equivalent is divided into tetra- parts of A, B, C, D,
A parts of mixing former material carries out making particieboard using the mode of embodiment 1；
B parts of mixing former material cancellation step on the basis of embodiment 1（1）Treatment process；
C parts mixes former material on the basis of embodiment 1 by step（6）Treatment process replaces with conventional drying mode and dries；
D parts of mixing former material makes particieboard in the usual way；
Wherein, tri- parts of compounds of A, B, C are mated formation, precompressed, hot press forming technology are mated formation with D parts, precompressed, hot press forming technology phase
Together；
Tetra- parts of former materials of A, B, C, D are made the particieboard that thickness is 3mm；
After final process terminates, measurement each group obtains burst size of methanal, water content, internal bond strength, surface combination in particieboard
Intensity, MOR；
The results are shown in Table 1：
| Group | Burst size of methanal（mg/100g） | Water content（%） | Internal bond strength（Mpa） | Surface bonding strength（Mpa） | MOR（Mpa） | Expansion rate of water absorption（%） |
| A | 1.3 | 6.8 | 3.7 | 5.5 | 34 | 1.0 |
| B | 1.27 | 6.5 | 1.2 | 1.4 | 6 | 1.3 |
| C | 22 | 8.9 | 3.5 | 5.3 | 30 | 5.4 |
| D | 35 | 10.2 | 0.25 | 0.99 | 14 | 7.7 |
From upper table 1, after mixing former material is processed through embodiment 1, burst size of methanal, expansion rate of water absorption are significantly reduced,
Internal bond strength, surface bonding strength, MOR are significantly improved.
Claims (2)
1. a kind of particle boards to manufacturing method, it is characterised in that including following process step：
（1）Beanstalk stalk, Wheat Straw are pressed 5:1 ratio co-grinding will crush the material for obtaining and impregnated in acid to 100-120 mesh
Change in liquid, be 0.012-0.015Mpa in vacuum, temperature is treatment 5-6 minute at 30-32 DEG C；
（2）To process under the comminuting matter for obtaining is placed in 35-38 DEG C of hot blast and dry to water content in 40-42%；
（3 will process the comminuting matter for obtaining impregnated in impregnation process in the methyl acrylate ethanol solution that concentration is 10-12ml/L
1.8-2 hours；
（4）To process under the comminuting matter for obtaining is placed in 35-38 DEG C of hot blast and dry to water content in 58-60%；
（5）To process the comminuting matter that obtains through mating formation, it is precompressed, hot-forming；
（6）Hot-forming particieboard is placed in dried process room, dried process room is vacuumized, appropriate helium is passed through afterwards
Gas, makes the pressure in dried process room be maintained at -0.08 ~ -0.1Mpa, keeps dried process indoor temperature at 42-45 DEG C, dries
Treatment 80-90 minutes.
2. a kind of particle boards to manufacturing method according to claim 1, it is characterised in that
The pH value of acidifying solution is 4.5-4.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106968.8A CN106738178A (en) | 2016-12-06 | 2016-12-06 | A kind of particle boards to manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106968.8A CN106738178A (en) | 2016-12-06 | 2016-12-06 | A kind of particle boards to manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106738178A true CN106738178A (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611106968.8A Pending CN106738178A (en) | 2016-12-06 | 2016-12-06 | A kind of particle boards to manufacturing method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257776A (en) * | 1998-12-24 | 2000-06-28 | 中国科学院生物物理研究所 | Method for producing anticorrosion and flame-retarding composite material of wood and high polymer with excellent mechanical properties and its products |
| CN1631632A (en) * | 2004-12-23 | 2005-06-29 | 南京林业大学 | Industrialized production method of wheat straw flakeboard |
| CN101148056A (en) * | 2007-11-13 | 2008-03-26 | 江苏鼎元科技发展有限公司 | Formaldehyde-less composite stalk board production technology method and use |
| CN101570033A (en) * | 2009-05-21 | 2009-11-04 | 浙江林学院 | Production method of plant straw partical board containing absorption purifying agent |
| CN102431072A (en) * | 2011-10-25 | 2012-05-02 | 张文生 | Processing method of straws and manufacturing method of straw fiber plate |
| CN103660003A (en) * | 2013-12-31 | 2014-03-26 | 北京林业大学 | Wheat straw/wood shaving composite artificial board manufacturing method |
| CN104385424A (en) * | 2014-09-23 | 2015-03-04 | 万华生态板业研究设计（烟台）有限公司 | Crop straw manmade board and production method thereof |
| CN105171890A (en) * | 2015-08-13 | 2015-12-23 | 湖南万华生态板业有限公司 | Shaving board manufacturing method |
| CN106079016A (en) * | 2016-06-07 | 2016-11-09 | 阜阳市伟叶家具有限公司 | A kind of artificial board containing powder of straw |
| 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 |
-
2016
- 2016-12-06 CN CN201611106968.8A patent/CN106738178A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257776A (en) * | 1998-12-24 | 2000-06-28 | 中国科学院生物物理研究所 | Method for producing anticorrosion and flame-retarding composite material of wood and high polymer with excellent mechanical properties and its products |
| CN1631632A (en) * | 2004-12-23 | 2005-06-29 | 南京林业大学 | Industrialized production method of wheat straw flakeboard |
| CN101148056A (en) * | 2007-11-13 | 2008-03-26 | 江苏鼎元科技发展有限公司 | Formaldehyde-less composite stalk board production technology method and use |
| CN101570033A (en) * | 2009-05-21 | 2009-11-04 | 浙江林学院 | Production method of plant straw partical board containing absorption purifying agent |
| CN102431072A (en) * | 2011-10-25 | 2012-05-02 | 张文生 | Processing method of straws and manufacturing method of straw fiber plate |
| CN103660003A (en) * | 2013-12-31 | 2014-03-26 | 北京林业大学 | Wheat straw/wood shaving composite artificial board manufacturing method |
| CN104385424A (en) * | 2014-09-23 | 2015-03-04 | 万华生态板业研究设计（烟台）有限公司 | Crop straw manmade board and production method thereof |
| CN105171890A (en) * | 2015-08-13 | 2015-12-23 | 湖南万华生态板业有限公司 | Shaving board manufacturing method |
| CN106079016A (en) * | 2016-06-07 | 2016-11-09 | 阜阳市伟叶家具有限公司 | A kind of artificial board containing powder of straw |
| 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 |
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Application publication date: 20170531 |