CN100486786C - Manufacturing method of wood/hybrid Chinese pennisetum composite artificial board - Google Patents
Manufacturing method of wood/hybrid Chinese pennisetum composite artificial board Download PDFInfo
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- CN100486786C CN100486786C CNB2006101663089A CN200610166308A CN100486786C CN 100486786 C CN100486786 C CN 100486786C CN B2006101663089 A CNB2006101663089 A CN B2006101663089A CN 200610166308 A CN200610166308 A CN 200610166308A CN 100486786 C CN100486786 C CN 100486786C
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Abstract
The present invention relates to a wood/crossbred Chinese pennisetum composite artificial plate and its production process. Its raw material composition includes (by wt%) 0-30% of wood and 70-100% of crossbred Chinese pennisetum, and its production process includes the following steps: preparing raw materials, drying, applying glue, laying, hot-pressing and aftertreatment.
Description
Technical field
What the present invention relates to is a kind of manufacturing method of wood/hybrid Chinese pennisetum composite artificial board.Belong to wood-based plate and make the field.
Background technology
At present, because various countries relatively lack the used wood raw material of Wood-based Panel Production to the protection of the environment and the forest reserves, but society continuing to increase the demand of wood-based plate, impels various countries to strengthen and adopts non-wood plant to do the research of raw material of artifical plate.Hybrid Chinese pennisetum is an annual plant, is fit to the different regions growth, and the output height, and wide material sources replace part timber with it and produce wood-based plate, have bright prospects.
Summary of the invention
But the wood/hybrid Chinese pennisetum composite artificial board manufacturing process that the purpose of this invention is to provide the low suitability for industrialized production of a kind of cost.
Technical solution of the present invention: a kind of manufacturing method of wood/hybrid Chinese pennisetum composite artificial board, its processing step branch:
A. get the raw materials ready and drying; B. applying glue; C. mat formation; D. hot pressing; E. post-processed.
Described processing step is got the raw materials ready and dry a, and raw material is two kinds of timber and hybrid Chinese pennisetums, and wherein the timber proportion is 0-30%, and the hybrid Chinese pennisetum proportion is 70-100%; Hybrid Chinese pennisetum is chipped earlier, again by the pulverizer fragmentation, obtain the hybrid Chinese pennisetum unit of higher yield and better form, meticulous dust in the unit is removed in screening then, and sorting is and sends to thicker unit broken again; Broken again method after the wood cell manufacturing is adopted and chipped earlier: at first wood raw material is processed into wood chip with wood chipping equipment, then that wood chip is broken again with pulverizer; It is 3-5% that hybrid Chinese pennisetum and wood cell are dried to whole moisture content.
Described processing step applying glue b, the employing Lauxite is an adhesive, the resin added top layer is 10-12% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), sandwich layer is 9-11% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), will add the waterproofing agent of 1-2% (exhausted thousand waterproofing agents/ovendriedwood and hybrid Chinese pennisetum unit) during applying glue; Glue mixing is finished in the ring type glue mixer.
The described processing step c that mats formation because timber and hybrid Chinese pennisetum cell density difference, must control the uniformity of slab density well, the employing mechanical forming machine of mating formation.Slab after mating formation needs through precompressed (pressure 100-200N/mm), so that reduce the thickness of slab, improves the quality of slab, avoids the breakage in the transportation.
Described processing step hot pressing d, the form of employing single or multiple lift, temperature is 160-180 ℃ during hot pressing, and hot pressing time is 0.5-0.8min/mm, and the hot pressing maximum pressure is 2.5-3.5MPa.
Described processing step post-processed e, the sheet material of finishing hot pressing cools off and cutting edge with after backing plate separates, and cooling purpose is that the temperature of sheet material is reduced, and eliminates the plate internal stress, prevents the plank distortion.Cutting edge is in order to obtain the plate face specification of standard, and the book size of final products is 1220mm * 2440mm, and stacking can carry out sanding after 48 hours.
Described processing step get the raw materials ready and dry a in drying process, adopt the rotator type drying machine, with raw material timber and hybrid Chinese pennisetum unit or hybrid Chinese pennisetum unit drying, baking temperature is got 80-150 ℃, and the whole moisture content of control hybrid Chinese pennisetum and wood cell is 3-5%.
Described processing step get the raw materials ready and dry a in sorting process, in order to guarantee product fine and smooth surface is arranged, must make has a certain amount of fines in the raw material.In addition, for top layer fines and sandwich layer coarse fodder, its glue consumption is inequality.So it separately is necessary that dried raw material is carried out the watch core layer.Adopt oscillating riddle to carry out sorting in this project, make the fines (0.3-1.2mm) of sorting send into the top layer feed bin, coarse fodder (1.2-4.0mm) then enters the sandwich layer feed bin.
Advantage of the present invention: can utilize two kinds of raw materials of timber and hybrid Chinese pennisetum, properties of product reach the national standard of wooden shavings plate and fiberboard.Product can be applied in industries such as furniture, construction and decoration, packing.
The specific embodiment
Embodiment 1, makes the hybrid Chinese pennisetum wood-based plate.
Get 100 kilograms of raw material hybrid Chinese pennisetums, hybrid Chinese pennisetum is chipped earlier (model BX216), use pulverizer (model FSP60) fragmentation again, obtain the hybrid Chinese pennisetum unit of higher yield and better form, screening then, remove meticulous dust in the unit, screening is sent to the unit of 〉=15mm broken again; Broken again method after the wood cell manufacturing is adopted and chipped earlier: at first wood raw material is processed into wood chip with wood chipping equipment (model BX216), use pulverizer (model FSP60) broken more then, and meticulous dust in the unit is removed in screening, sends to the unit of 〉=15mm broken again;
Adopt rotator type drying machine (model BG2318), with hybrid Chinese pennisetum and wood cell drying, baking temperature is got 80 ℃, and the whole moisture content of control hybrid Chinese pennisetum and wood cell is 3%.
Adopt double layer librate sieve (model BF112.5X1.4) to carry out sorting, make the fines of sorting send into the top layer feed bin, coarse fodder then enters the sandwich layer feed bin.
It is adhesive that Lauxite is adopted in applying glue, the resin added top layer is 10% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), sandwich layer is 9% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), will add the waterproofing agent of 1% (over dry waterproofing agent/ovendriedwood and hybrid Chinese pennisetum unit) during applying glue; Glue mixing is finished in ring type glue mixer (model BS123).
Mat formation and adopt mechanical forming machine (model BP3513), the slab after mating formation needs through precompressed (pressure 100N/mm), makes the slab compression, improves the first intensity of slab, avoids the breakage in the transportation.
Adopt single or multiple lift hot pressing form, temperature is 160 ℃ during hot pressing, and hot pressing time is 0.5min/mm, and the hot pressing maximum pressure is 2.5MPa.
Post-processed, the sheet material of finishing hot pressing carries out normal temperature cooling and cutting edge with after backing plate separates, and the book size of product is 1220mm * 2440mm, and stacking can carry out sanding after 48 hours.
Embodiment 2, make wood/hybrid Chinese pennisetum composite artificial board
Get 70 kilograms of raw material hybrid Chinese pennisetums: 30 kilograms of timber; Hybrid Chinese pennisetum is chipped earlier (model BX216), use pulverizer (model FSP60) fragmentation again, obtain the higher yield and the better hybrid Chinese pennisetum unit of form, meticulous dust in the unit is removed in screening then, and screening is sent to the unit of 〉=15mm broken again; Broken again method after the wood cell manufacturing is adopted and chipped earlier: at first wood raw material is processed into wood chip with wood chipping equipment (model BX216), use pulverizer (model FSP60) broken more then, adopt double layer librate sieve (model BF112.5X1.4) screening to remove meticulous dust in the unit, send to again the unit of 〉=15mm broken; With rotator type drying machine (model BG2318), timber and hybrid Chinese pennisetum unit are carried out drying, baking temperature is got 150 ℃, and the whole moisture content of control hybrid Chinese pennisetum and wood cell is 5%.
In order to guarantee that product has fine and smooth surface, must make has a certain amount of fines in the raw material.Adopt oscillating riddle to carry out sorting, make the fines of sorting send into the top layer feed bin, coarse fodder then enters the sandwich layer feed bin.
Applying glue, the employing Lauxite is an adhesive, the resin added top layer is 12% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), sandwich layer is 11% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), will add the waterproofing agent of 2% (over dry waterproofing agent/ovendriedwood and hybrid Chinese pennisetum unit) during applying glue; Glue mixing is finished in ring type glue mixer (model BS123).
Mat formation and adopt mechanical forming machine (model BP3513).Slab after mating formation needs through precompressed (pressure 200N/mm), makes the slab compression, improves the first intensity of slab, avoids the breakage in the transportation.
Adopt the hot pressing form of single or multiple lift, temperature is 180 ℃ during hot pressing, and hot pressing time is 0.8min/mm, and the hot pressing maximum pressure is 3.5MPa.
Post-processed, the sheet material of finishing hot pressing carries out normal temperature cooling and cutting edge with after backing plate separates, and the book size of product is 1220mm * 2440mm, and stacking can carry out sanding after 48 hours.
Embodiment 3, make wood/hybrid Chinese pennisetum composite artificial board
Get 85 kilograms of raw material hybrid Chinese pennisetums, 30 kilograms in timber; Hybrid Chinese pennisetum is chipped earlier (model BX216), use pulverizer (model FSP60) fragmentation again, obtain the higher yield and the better hybrid Chinese pennisetum unit of form, meticulous dust in the unit is removed in screening then, and screening is sent to the unit of 〉=15mm broken again; Broken again method after the wood cell manufacturing is adopted and chipped earlier: at first wood raw material is processed into wood chip with wood chipping equipment (model BX216), use pulverizer (model FSP60) broken more then, adopt double layer librate sieve (model BF112.5X1.4) screening to remove meticulous dust in the unit, send to again the unit of 〉=15mm broken; With rotator type drying machine (model BG2318), timber and hybrid Chinese pennisetum unit are carried out drying, baking temperature is got 120 ℃, and the whole moisture content of control hybrid Chinese pennisetum and wood cell is 4%.
In order to guarantee that product has fine and smooth surface, must make has a certain amount of fines in the raw material.Adopt oscillating riddle to carry out sorting, make the fines of sorting send into the top layer feed bin, coarse fodder then enters the sandwich layer feed bin.
Applying glue, the employing Lauxite is an adhesive, the resin added top layer is 11% (exhausted thousand resins/ovendriedwood and hybrid Chinese pennisetum unit), sandwich layer is 101% (over dry resin/ovendriedwood and hybrid Chinese pennisetum unit), will add the waterproofing agent of 1.5% (over dry waterproofing agent/ovendriedwood and hybrid Chinese pennisetum unit) during applying glue; Glue mixing is finished in ring type glue mixer (model BS123).
Mat formation and adopt mechanical forming machine (model BP3513).Slab after mating formation needs through precompressed (pressure 150N/mm), makes the slab compression, improves the first intensity of slab, avoids the breakage in the transportation.
Adopt the hot pressing form of single or multiple lift, temperature is 170 ℃ during hot pressing, and hot pressing time is 0.65min/mm, and the hot pressing maximum pressure is 3MPa.
Post-processed, the sheet material of finishing hot pressing carries out normal temperature cooling and cutting edge with after backing plate separates, and the book size of product is 1220mm * 2440mm, and stacking can carry out sanding after 48 hours.
Claims (1)
1, a kind of manufacturing method of wood/hybrid Chinese pennisetum composite artificial board is characterized in that processing step branch: a. gets the raw materials ready and drying; B. applying glue; C. mat formation; D. hot pressing; E. post-processed, described processing step are got the raw materials ready and dry a, and raw material is two kinds of timber and hybrid Chinese pennisetums, and wherein the timber proportion is 0-30%, and the hybrid Chinese pennisetum proportion is 70-100%; Hybrid Chinese pennisetum is chipped earlier, again by the pulverizer fragmentation, obtain the higher yield and the better hybrid Chinese pennisetum unit of form, meticulous dust in the unit is removed in screening then, and sorting is to send to the unit of 〉=15mm broken again; Broken again method after the wood cell manufacturing is adopted and chipped earlier; It is 3-5% that hybrid Chinese pennisetum and wood cell are dried to whole moisture content; Described drying process adopts the rotator type drying machine, and with raw material timber and hybrid Chinese pennisetum unit or hybrid Chinese pennisetum unit drying, baking temperature is got 80-150 ℃, and the whole moisture content of control hybrid Chinese pennisetum and wood cell is 3-5%; Described sorting process, fines are sent into the top layer feed bin, and coarse fodder then enters the sandwich layer feed bin;
Described processing step applying glue b, the employing Lauxite is an adhesive, the resin added top layer is 10-12%, with over dry resin/ovendriedwood and hybrid Chinese pennisetum unit; Sandwich layer is 9-11%, with over dry resin/ovendriedwood and hybrid Chinese pennisetum unit; To add the waterproofing agent of 1-2% during applying glue, with over dry resin/ovendriedwood and hybrid Chinese pennisetum unit; Glue mixing is finished in the ring type glue mixer;
The described processing step c that mats formation, the employing mechanical forming machine of mating formation, the slab after mating formation needs through precompressed pressure 100-200N/mm;
Described processing step hot pressing d, the form of employing single or multiple lift, temperature is 160-180 ℃ during hot pressing, and hot pressing time is 0.5-0.8min/mm, and hot pressing pressure is 2.5-3.5MPa;
Described processing step post-processed e, the sheet material of finishing hot pressing cools off and cutting edge with after backing plate separates, and the book size of final products is 1220mm * 2440mm, and stacking can carry out sanding after 48 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101663089A CN100486786C (en) | 2006-12-26 | 2006-12-26 | Manufacturing method of wood/hybrid Chinese pennisetum composite artificial board |
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| CNB2006101663089A CN100486786C (en) | 2006-12-26 | 2006-12-26 | Manufacturing method of wood/hybrid Chinese pennisetum composite artificial board |
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| CN100999091A CN100999091A (en) | 2007-07-18 |
| CN100486786C true CN100486786C (en) | 2009-05-13 |
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| CN101100085B (en) * | 2007-07-23 | 2010-04-21 | 信阳木工机械有限责任公司 | Method for manufacturing artificial board with mixed crop stalk and wood |
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| CN101537650A (en) * | 2009-04-21 | 2009-09-23 | 罗万学 | Pencil slat produced by wood powder and straw powder processed by wood remainder |
| CN103009455A (en) * | 2012-12-07 | 2013-04-03 | 青岛文创科技有限公司 | Production method of environment-friendly shaving board |
| CN103112072B (en) * | 2013-03-20 | 2014-08-13 | 南京林业大学 | Method for improving product surface properties by pennisetum man-made board processing residues |
| CN103406971B (en) * | 2013-07-16 | 2015-05-06 | 福建农林大学 | Banana stalk particleboard and manufacturing method thereof |
| CN103737699A (en) * | 2014-01-10 | 2014-04-23 | 宁波大世界家具研发有限公司 | Specially shaped wood fiber molded product enclosed forming method |
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| CN107972136A (en) * | 2017-12-28 | 2018-05-01 | 万华生态板业(信阳)有限公司 | The wood-based plate of the sandwich layer mixed comprising stalk and timber |
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| CN110291956A (en) * | 2019-07-12 | 2019-10-01 | 肇庆市恒发农业科技有限公司 | A kind of culture substrate based on peat sawdust |
| CN112936498A (en) * | 2021-03-05 | 2021-06-11 | 浙江省林业科学研究院 | Preparation method of straw mould pressing tray |
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