CN101148056A - Formaldehyde-less composite stalk board production technology method and use - Google Patents
Formaldehyde-less composite stalk board production technology method and use Download PDFInfo
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- CN101148056A CN101148056A CNA2007101351999A CN200710135199A CN101148056A CN 101148056 A CN101148056 A CN 101148056A CN A2007101351999 A CNA2007101351999 A CN A2007101351999A CN 200710135199 A CN200710135199 A CN 200710135199A CN 101148056 A CN101148056 A CN 101148056A
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- composite stalk
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Abstract
The present invention discloses the production process and use of no-formaldehyde composite stalk board. The composite stalk board is produced with wheat straw, hemp stalk and other crop stalk as main material, and through the technological process including the steps of crushing, sorting, drying, sieving, mixing with glue, demolding, spreading, pre-pressing, hot pressing, cutting edges and sanding. It may be further treated to produce decorating board, sound absorbing board, etc. The composite stalk board has performance similar to or even higher than woody shaving board, no formaldehyde contained, and good moisture-proof and fire-proof property. The present invention changes waste into useful material and is environment friendly.
Description
Technical field
The present invention relates to a kind of employing agricultural wastes (wheat straw, hards etc.) and produce the production method of formaldehyde-less composite stalk board, and this formaldehyde-less composite stalk board is made facing plate, abatvoix, message board by deep processing.
Background technology
At present owing to the protection of various countries to the environment and the forest reserves; progressively the timber processing artificial boards is adopted in restriction; but society is continuing to increase the demand of wood-based plate; various countries all strengthen adopting the research of agricultural crop straw wood-based plate; a kind of wood-based plate that formaldehyde-less composite stalk board utilizes stalk to make for raw material just, its various physicochemical properties all reach the index of wooden flake board, and do not contain formaldehyde; not only protect the forest reserves but also satisfy the environmental protection demand, and had good processing properties.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of formaldehyde-less composite stalk board.
Another object of the present invention provides the application of this formaldehyde-less composite stalk board aspect manufacturing facing plate, abatvoix, message board.
The present invention reaches by following measure:
With stalks such as wheat straw, hards is primary raw material, through coarse crushing, pulverizing again, sorting, drying, screening, glue mixing, the demoulding handles, mat formation, precompressed, hot pressing, cutting edge, sanding technical process manufacturing formaldehyde-less composite stalk board.
The present invention is with raw material wheat straw to scale: 70%; Hards: 0-30%; Other stalk: 0-30% (forming sum in above-mentioned raw materials is 100%).After the mixing, to 2-4cm, enter next procedure and be crushed to 0.05-15mm once more, after airflow separator sub-elects the knot of stalk and impurity, enter the back tender section, the dried raw material moisture content is controlled at 8-16% through coarse crushing.Other wheat straw is rice straw, reed rod etc.Degree all by weight percentage among the present invention.
After the present invention is crushed to 0.05-10mm by the rectangle vibratory sieve with the raw material of length 10-15mm with dried raw material once more, respectively fines is delivered to the top layer feed bin, coarse fodder is delivered to the sandwich layer feed bin, reflect instant weight through the belt of weighing again, (adopting isocyanates-abbreviation MDI is adhesive to apply adhesive in proportion by the ring type glue mixer; Resin added is the 2-8% of over dry raw material).
The present invention adopts releasing agent to carry out the demoulding, earlier will be by paraffin wax emulsions and K
2CO
3Mixed solution (ratio is 7: 3) be sprayed onto uniformly on the backing plate with the air pressure shower nozzle, the spray consumption is 20-22g/m
2, mat formation respectively by watch core layer spreading machine again, adopt air-flow and the combination paving that machinery combines, then on the slab of precompressed, spray one deck releasing agent again.
What the present invention adopted is the batch (-type) concora crush, and ten layers of two sided press have improved production efficiency greatly; Temperature is controlled at 120-190 ℃; Pressure is controlled at 3-4MPa; Hot pressing time is controlled at 20-35s/mm.
The formaldehyde-less composite stalk board that obtains with manufacturing technique method of the present invention can through timeliness, paperboard in conjunction with, overlay, deburring, cleaning, cooling process method make the facing plate.
The formaldehyde-less composite stalk board that obtains with manufacturing technique method of the present invention can be through timeliness, positive and negative fluting, front round, vertical cutting, transverse cuts, vertically mill shape, laterally mill the shape process makes abatvoix.
Can make message board through timeliness, positive subsides cork skin, back side subsides balance paper, vertically cutting, transverse cuts, fringing frame process with the formaldehyde-less composite stalk board that manufacturing technique method of the present invention obtains.
Beneficial effect of the present invention:
The present invention has following advantage compared to existing technology: this composite stalk density board not only all meets or exceeds wooden flake board on various performance indications such as elastic modelling quantity, MOR, internal bond strength, surface bonding strength, thickness swelling rate.And it does not contain formaldehyde, and turns waste into wealth, and substitutes timber, has protected ecological environment, has increased social benefit.
The specific embodiment
Embodiment one
Below in conjunction with example the present invention is done further auspicious stating: bag-packaged wheat straw and hards are transported to respectively near the chaffcutter, stack by kind, after cutting rope, getting rope, (wheat straw: hards 70%: 30%) be deposited on the chaffcutter feed belt in proportion, be cut into 20-40mm, in belt is delivered to desintegrator, be machined to 0.05-15mm, through pneumatic separation the knot and the foreign material of stalk are separated, qualified raw material is delivered to the wet feed storage deposit; Respectively through table, the sandwich layer drying machine is controlled at moisture content about 12-14%, through table, sandwich layer vibratory sieve length is isolated at the long fibre of 10-15mm and is carried out secondary and be crushed to 0.05-10mm and come into operation again; Table, core layer material reflect instant weight through the belt of weighing, and apply isocyanate adhesive in proportion by the ring type glue mixer, top layer 6%, sandwich layer 6.5%; To show, the sandwich layer raw material delivers to the storehouse of mating formation, will be by paraffin wax emulsions and K
2CO
3Ratio is that 7: 3 mixed solution is sprayed onto (20g/m on the backing plate uniformly with the air pressure shower nozzle
2), mat formation respectively by watch core layer spreading machine again, the combination paving that adopts air-flow to combine with machinery, the width 1300mm that mats formation, the height 200mm that mats formation then spray one deck releasing agent again on the slab of precompressed.Carry out hot pressing afterwards, its temperature is 180-190 ℃; Pressure is 4MPa; Hot pressing time is 30-35s/mm, and again through buck, cutting edge in length and breadth, maintenance after 72 hours, being transported to the sanding line is the formaldehyde-less composite stalk board of 1220mm * 2440mm * 18mm with size Control after coarse sand, washed ore, fine sand, edging are handled.Above example is for producing the technological process of abatvoix base material.
Embodiment two
Near message board substrate process flow process (single mat formation): bag-packaged wheat straw is transported to the chaffcutter, stack by kind, after cutting rope, getting rope, (wheat straw: rice straw bar 70%: reed rod 20%: 10%) be deposited on the chaffcutter feed belt in proportion, be cut into 20-40mm, in belt is delivered to desintegrator, be machined to 0.05-15mm, through pneumatic separation the knot and the foreign material of stalk are separated, qualified raw material is delivered to the wet feed storage deposit; Through the sandwich layer drying machine moisture content is controlled at about 12-14%, through the sandwich layer vibratory sieve length is isolated at the long fibre of 10-15mm and carried out secondary and be crushed to 0.05-10mm and come into operation again; Core layer material reflects instant weight through the belt of weighing, and applies isocyanate adhesive (3%) in proportion by the ring type glue mixer; The sandwich layer raw material is delivered to the storehouse of mating formation, will be by paraffin wax emulsions and K
2CO
3Ratio is that 7: 3 mixed solution is sprayed onto (22g/m on the backing plate uniformly with the air pressure shower nozzle
2), mat formation separately by the sandwich layer spreading machine again, adopt mechanical type to mat formation, the width 1300mm that mats formation, the height 30mm that mats formation then spray one deck releasing agent again on the slab of precompressed.Carry out hot pressing afterwards, its temperature is 150 ℃; Pressure is 3MPa; Hot pressing time is 20-30s/mm, and again through buck, cutting edge in length and breadth, maintenance after 72 hours, being transported to the sanding line is the formaldehyde-less composite stalk board of 1220mm * 2440mm * 8mm with size Control after coarse sand, washed ore, fine sand, edging are handled.
The formaldehyde-less composite stalk board that obtains with manufacturing technique method of the present invention can be made into the facing plate.The manufacturing technique method of its facing plate is to be base material with the formaldehyde-less composite stalk board, through timeliness, paperboard in conjunction with, overlay, explained hereafter flow process such as deburring, cleaning, cooling and obtaining.
The facing plate that makes with formaldehyde-less composite stalk board is made abatvoix again.The manufacturing technique method of its abatvoix is to be base material with the formaldehyde-less composite stalk board, through timeliness, positive and negative fluting, front round, vertically cutting, transverse cuts, vertically mill shape, laterally mill shape explained hereafter flow process and obtain.Through slotting, punch, mill the sheet material that shape is crossed, sandwich layer is exposed to the outside fully, because of the present invention does not contain formaldehyde, even do not have formaldehyde to discharge equally through being machined to sandwich layer, accomplishes complete environmental protection.
The formaldehyde-less composite stalk board that obtains with manufacturing technique method of the present invention also can be made into message board.The manufacturing technique method of its message board is that formaldehyde-less composite stalk board is a base material, pastes balance paper, vertically cutting, transverse cuts, fringing frame explained hereafter flow process and obtains through timeliness, the positive cork skin, the back side of pasting.Because of low, the good permeability of cork sheet density on surface, the formaldehyde of common sheet material can also discharge; With the present invention is that the message board that base material is processed has just overcome this point, accomplishes complete environmental protection.
Claims (9)
1. the production method of a formaldehyde-less composite stalk board, it is characterized in that this method is primary raw material with the stalk, successively through coarse crushing, pulverizing again, sorting, drying, screening, glue mixing, the demoulding handles, mat formation, precompressed, hot pressing, cutting edge, sanding manufacturing formaldehyde-less composite stalk board.
2. the production method of formaldehyde-less composite stalk board according to claim 1, it is characterized in that wheat straw 70%, after hards 0-30% and other stalk 0-30% mix in proportion, through coarse crushing to 2-4cm, enter next procedure and be crushed to 0.05-15mm once more, enter the back tender section after airflow separator sub-elects the knot of stalk and impurity, the dried raw material moisture content is 8-16%.
3. the production method of formaldehyde-less composite stalk board according to claim 1, it is characterized in that described screening and glue mixing step are for after being crushed to 0.05-10mm by the rectangle vibratory sieve once more with the raw material of length 10-15mm with dried raw material, respectively fines is delivered to the top layer feed bin, coarse fodder is delivered to the sandwich layer feed bin, reflect instant weight through the belt of weighing again, apply adhesive in proportion by the ring type glue mixer; Wherein, described adhesive adopts isocyanates, and resin added is the 2-8% of over dry raw material.
4. the production method of formaldehyde-less composite stalk board according to claim 1 is characterized in that described demoulding handles and mat formation for will be by paraffin wax emulsions and K
2CO
3Mixed solution be sprayed onto uniformly on the backing plate with the air pressure shower nozzle, the spray consumption is 20-22g/m
2, mat formation respectively by table, sandwich layer spreading machine again, adopt air-flow and the combination paving that machinery combines, then on the slab after the precompressed, spray one deck releasing agent again and carry out demoulding.
5. the production method of formaldehyde-less composite stalk board according to claim 1 is characterized in that described hot pressing is the batch (-type) concora crush; Hot pressing temperature is 120-190 ℃, and pressure is 3-4MPa, hot pressing time 20-35s/mm.
6. facing plate that the production method that adopts the described formaldehyde-less composite stalk board of claim 1 is produced, it is characterized in that with the base material being the described formaldehyde-less composite stalk board of claim 1, successively through timeliness, paperboard in conjunction with, overlay, deburring, cleaning, cooling produce the facing plate.
7. abatvoix that the production method that adopts the described formaldehyde-less composite stalk board of claim 1 is produced, it is characterized in that with the base material being the described formaldehyde-less composite stalk board of claim 1, successively through timeliness, positive and negative fluting, front round, vertically cutting, transverse cuts, vertically mill shape, laterally mill shape explained hereafter abatvoix; Wherein, the density of described formaldehyde-less composite stalk board is 700-780kg/m
3
8. message board that the production method that adopts the described formaldehyde-less composite stalk board of claim 1 is produced, it is characterized in that with the base material being the described formaldehyde-less composite stalk board of claim 1, successively through timeliness, positive cork skin, back side subsides balance paper, vertically cutting, transverse cuts, the fringing frame production message board of pasting; Wherein, the density of described formaldehyde-less composite stalk board is 380-480kg/m
3
9. the described formaldehyde-less composite stalk board of claim 1 is in the application of making on facing plate, abatvoix, the message board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101351999A CN101148056A (en) | 2007-11-13 | 2007-11-13 | Formaldehyde-less composite stalk board production technology method and use |
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|---|---|---|---|
| CNA2007101351999A CN101148056A (en) | 2007-11-13 | 2007-11-13 | Formaldehyde-less composite stalk board production technology method and use |
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| CN101148056A true CN101148056A (en) | 2008-03-26 |
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| CNA2007101351999A Pending CN101148056A (en) | 2007-11-13 | 2007-11-13 | Formaldehyde-less composite stalk board production technology method and use |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493242A (en) * | 2011-12-30 | 2012-06-13 | 天津商业大学 | Method for manufacturing particleboards by using wheat straws preprocessed through steam explosion |
| CN102862205A (en) * | 2011-07-04 | 2013-01-09 | 长沙创远环保科技有限公司 | Production process method and uses of straw board |
| CN103072176A (en) * | 2012-12-12 | 2013-05-01 | 江苏洛基木业有限公司 | Production method of straw-based artificial boards decorated by using barks |
| CN103276825A (en) * | 2013-06-26 | 2013-09-04 | 邯郸市金赛博板业有限公司 | Environmental-friendly moisture-proof type board special for straw flame-retarding heat preservation building materials |
| CN103770190A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Method for manufacturing plates through wheat straw |
| CN104070591A (en) * | 2014-07-09 | 2014-10-01 | 万华生态板业研究设计（烟台）有限公司 | Artificial board made of crop straw and method for manufacturing artificial board made of crop straw |
| 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 |
| CN104526833A (en) * | 2012-12-12 | 2015-04-22 | 江苏洛基木业有限公司 | Production method of wheat straw artificial board decorated by oak barks |
| CN104805952A (en) * | 2015-05-11 | 2015-07-29 | 烟台金田科技有限公司 | Method for preparing modular building board by means of extruding binderless straw board at high temperature |
| CN104985667A (en) * | 2015-06-25 | 2015-10-21 | 大连金州重型机器集团有限公司 | Extrusion forming method for man-made straw panel |
| CN105058542A (en) * | 2015-07-31 | 2015-11-18 | 湖北省林业科学研究院 | Vegetable albumen glue shaving board and preparation technology thereof |
| CN105082317A (en) * | 2014-05-04 | 2015-11-25 | 李先强 | Method for making composite board by means of straw |
| CN105619571A (en) * | 2016-01-12 | 2016-06-01 | 广东佳居乐厨房科技有限公司 | Preparation method of straw grain fragrant plate |
| CN106738178A (en) * | 2016-12-06 | 2017-05-31 | 阜阳市伟叶家具有限公司 | A kind of particle boards to manufacturing method |
| CN107363964A (en) * | 2016-05-12 | 2017-11-21 | 中国林业科学研究院木材工业研究所 | One kind is without aldehyde environmental protection particieboard and its manufacture method |
| CN107415021A (en) * | 2017-06-28 | 2017-12-01 | 北京林业大学 | One kind sound absorption, insulation wood-based plate and preparation method thereof |
| CN108000671A (en) * | 2017-11-09 | 2018-05-08 | 大连海洋大学 | A kind of fiberboard prepared using seaweed waste material and preparation method thereof |
| CN108214803A (en) * | 2017-12-28 | 2018-06-29 | 万华生态板业(信阳)有限公司 | The manufacturing method and wood-based plate of wood-based plate |
| CN109227860A (en) * | 2018-10-18 | 2019-01-18 | 李�杰 | A kind of technique increasing Formaldehyde Free Wood-based Panel Prepressing intension using hot melt adhesive |
| CN111015888A (en) * | 2019-12-13 | 2020-04-17 | 宣城市祥正生态农业发展有限公司 | Comprehensive straw utilization device |
| CN112776097A (en) * | 2021-01-05 | 2021-05-11 | 山东拜尔新材料有限公司 | Automatic production process method of artificial board |
| CN114888921A (en) * | 2022-05-07 | 2022-08-12 | 徐州永溢航生物科技有限公司 | Production process of straw density board |
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- 2007-11-13 CN CNA2007101351999A patent/CN101148056A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102862205A (en) * | 2011-07-04 | 2013-01-09 | 长沙创远环保科技有限公司 | Production process method and uses of straw board |
| CN102493242A (en) * | 2011-12-30 | 2012-06-13 | 天津商业大学 | Method for manufacturing particleboards by using wheat straws preprocessed through steam explosion |
| CN103770190A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Method for manufacturing plates through wheat straw |
| CN103072176B (en) * | 2012-12-12 | 2015-01-14 | 江苏洛基木业有限公司 | Production method of straw-based artificial boards decorated by using barks |
| CN103072176A (en) * | 2012-12-12 | 2013-05-01 | 江苏洛基木业有限公司 | Production method of straw-based artificial boards decorated by using barks |
| CN104526833A (en) * | 2012-12-12 | 2015-04-22 | 江苏洛基木业有限公司 | Production method of wheat straw artificial board decorated by oak barks |
| CN103276825A (en) * | 2013-06-26 | 2013-09-04 | 邯郸市金赛博板业有限公司 | Environmental-friendly moisture-proof type board special for straw flame-retarding heat preservation building materials |
| CN103276825B (en) * | 2013-06-26 | 2015-08-19 | 上海美连商务信息咨询服务有限公司 | Environment protection damp-proof type stalk fire-retardant heat insulation building materials personality board |
| CN105082317A (en) * | 2014-05-04 | 2015-11-25 | 李先强 | Method for making composite board by means of straw |
| CN104070591A (en) * | 2014-07-09 | 2014-10-01 | 万华生态板业研究设计（烟台）有限公司 | Artificial board made of crop straw and method for manufacturing artificial board made of crop straw |
| 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 |
| CN104805952A (en) * | 2015-05-11 | 2015-07-29 | 烟台金田科技有限公司 | Method for preparing modular building board by means of extruding binderless straw board at high temperature |
| CN104985667A (en) * | 2015-06-25 | 2015-10-21 | 大连金州重型机器集团有限公司 | Extrusion forming method for man-made straw panel |
| CN105058542A (en) * | 2015-07-31 | 2015-11-18 | 湖北省林业科学研究院 | Vegetable albumen glue shaving board and preparation technology thereof |
| CN105058542B (en) * | 2015-07-31 | 2017-05-17 | 湖北省林业科学研究院 | Vegetable albumen glue shaving board and preparation technology thereof |
| CN105619571A (en) * | 2016-01-12 | 2016-06-01 | 广东佳居乐厨房科技有限公司 | Preparation method of straw grain fragrant plate |
| CN105619571B (en) * | 2016-01-12 | 2018-01-23 | 广东佳居乐厨房科技有限公司 | A kind of preparation method of stalk standing grain perfume (or spice) plate |
| CN107363964A (en) * | 2016-05-12 | 2017-11-21 | 中国林业科学研究院木材工业研究所 | One kind is without aldehyde environmental protection particieboard and its manufacture method |
| CN106738178A (en) * | 2016-12-06 | 2017-05-31 | 阜阳市伟叶家具有限公司 | A kind of particle boards to manufacturing method |
| CN107415021A (en) * | 2017-06-28 | 2017-12-01 | 北京林业大学 | One kind sound absorption, insulation wood-based plate and preparation method thereof |
| CN108000671A (en) * | 2017-11-09 | 2018-05-08 | 大连海洋大学 | A kind of fiberboard prepared using seaweed waste material and preparation method thereof |
| CN108214803A (en) * | 2017-12-28 | 2018-06-29 | 万华生态板业(信阳)有限公司 | The manufacturing method and wood-based plate of wood-based plate |
| CN109227860A (en) * | 2018-10-18 | 2019-01-18 | 李�杰 | A kind of technique increasing Formaldehyde Free Wood-based Panel Prepressing intension using hot melt adhesive |
| CN111015888A (en) * | 2019-12-13 | 2020-04-17 | 宣城市祥正生态农业发展有限公司 | Comprehensive straw utilization device |
| CN112776097A (en) * | 2021-01-05 | 2021-05-11 | 山东拜尔新材料有限公司 | Automatic production process method of artificial board |
| CN114888921A (en) * | 2022-05-07 | 2022-08-12 | 徐州永溢航生物科技有限公司 | Production process of straw density board |
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